used partial methods for logging (#15749)

modules/openapi-generator/src/main/resources/csharp-netcore/libraries/generichost/AfterOperationDefaultImplementation.mustache

@@ -0,0 +1 @@
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);

modules/openapi-generator/src/main/resources/csharp-netcore/libraries/generichost/ApiResponse`1.mustache

@@ -28,7 +28,7 @@ namespace {{packageName}}.{{clientPackage}}
         HttpStatusCode StatusCode { get; }
 
         /// <summary>
-        /// The raw content of this response
+        /// The raw content of this response.
         /// </summary>
         string RawContent { get; }
 
@@ -36,6 +36,16 @@ namespace {{packageName}}.{{clientPackage}}
         /// The DateTime when the request was retrieved.
         /// </summary>
         DateTime DownloadedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        Uri{{nrt?}} RequestUri { get; }
     }
 
     /// <summary>
@@ -82,6 +92,21 @@ namespace {{packageName}}.{{clientPackage}}
         /// </summary>
         public DateTime DownloadedAt { get; } = DateTime.UtcNow;
 
+        /// <summary>
+        /// The DateTime when the request was sent.
+        /// </summary>
+        public DateTime RequestedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        public string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        public Uri{{nrt?}} RequestUri { get; }
+
         /// <summary>
         /// The JsonSerialzierOptions
         /// </summary>
@@ -93,14 +118,19 @@ namespace {{packageName}}.{{clientPackage}}
         /// <param name="httpRequestMessage"></param>
         /// <param name="httpResponseMessage"></param>
         /// <param name="rawContent"></param>
+        /// <param name="path"></param>
+        /// <param name="requestedAt"></param>
         /// <param name="jsonSerializerOptions"></param>
-        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
+        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, string path, DateTime requestedAt, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
         {
             StatusCode = httpResponseMessage.StatusCode;
             Headers = httpResponseMessage.Headers;
             IsSuccessStatusCode = httpResponseMessage.IsSuccessStatusCode;
             ReasonPhrase = httpResponseMessage.ReasonPhrase;
             RawContent = rawContent;
+            Path = path;
+            RequestUri = httpRequestMessage.RequestUri;
+            RequestedAt = requestedAt;
             _jsonSerializerOptions = jsonSerializerOptions;
             OnCreated(httpRequestMessage, httpResponseMessage);
         }

modules/openapi-generator/src/main/resources/csharp-netcore/libraries/generichost/OnErrorDefaultImplementation.mustache

@@ -0,0 +1 @@
+            Logger.LogError(exception, "An error occurred while sending the request to the server.");

modules/openapi-generator/src/main/resources/csharp-netcore/libraries/generichost/api.mustache

@@ -124,15 +124,6 @@ namespace {{packageName}}.{{apiPackage}}
             HttpSignatureTokenProvider = httpSignatureTokenProvider;{{/hasHttpSignatureMethods}}{{#hasOAuthMethods}}
             OauthTokenProvider = oauthTokenProvider;{{/hasOAuthMethods}}
         }
-
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
         {{#operation}}
 
         {{#allParams}}
@@ -186,24 +177,47 @@ namespace {{packageName}}.{{apiPackage}}
         {{#allParams}}
         /// <param name="{{paramName}}"></param>
         {{/allParams}}
-        protected virtual void After{{operationId}}({{#lambda.joinWithComma}}ApiResponse<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}object{{/returnType}}> apiResponseLocalVar  {{#allParams}}{{#requiredAndNotNullable}}{{#lambda.required}}{{{dataType}}}{{/lambda.required}} {{paramName}}  {{/requiredAndNotNullable}}{{^requiredAndNotNullable}}{{#lambda.optional}}{{{dataType}}}{{/lambda.optional}} {{paramName}}  {{/requiredAndNotNullable}}{{/allParams}}{{/lambda.joinWithComma}})
+        private void After{{operationId}}DefaultImplementation({{#lambda.joinWithComma}}ApiResponse<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}object{{/returnType}}> apiResponseLocalVar  {{#allParams}}{{#requiredAndNotNullable}}{{#lambda.required}}{{{dataType}}}{{/lambda.required}} {{paramName}}  {{/requiredAndNotNullable}}{{^requiredAndNotNullable}}{{#lambda.optional}}{{{dataType}}}{{/lambda.optional}} {{paramName}}  {{/requiredAndNotNullable}}{{/allParams}}{{/lambda.joinWithComma}})
         {
+{{>AfterOperationDefaultImplementation}}
+            After{{operationId}}({{#lambda.joinWithComma}}apiResponseLocalVar  {{#allParams}}{{paramName}}  {{/allParams}}{{/lambda.joinWithComma}});
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        {{#allParams}}
+        /// <param name="{{paramName}}"></param>
+        {{/allParams}}
+        partial void After{{operationId}}({{#lambda.joinWithComma}}ApiResponse<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}object{{/returnType}}> apiResponseLocalVar  {{#allParams}}{{#requiredAndNotNullable}}{{#lambda.required}}{{{dataType}}}{{/lambda.required}} {{paramName}}  {{/requiredAndNotNullable}}{{^requiredAndNotNullable}}{{#lambda.optional}}{{{dataType}}}{{/lambda.optional}} {{paramName}}  {{/requiredAndNotNullable}}{{/allParams}}{{/lambda.joinWithComma}});
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         {{#allParams}}
         /// <param name="{{paramName}}"></param>
         {{/allParams}}
-        protected virtual void OnError{{operationId}}({{#lambda.joinWithComma}}Exception exception  string pathFormat  string path  {{#allParams}}{{#requiredAndNotNullable}}{{#lambda.required}}{{{dataType}}}{{/lambda.required}} {{paramName}}  {{/requiredAndNotNullable}}{{^requiredAndNotNullable}}{{#lambda.optional}}{{{dataType}}}{{/lambda.optional}} {{paramName}}  {{/requiredAndNotNullable}}{{/allParams}}{{/lambda.joinWithComma}})
+        private void OnError{{operationId}}DefaultImplementation({{#lambda.joinWithComma}}Exception exception  string pathFormat  string path  {{#allParams}}{{#requiredAndNotNullable}}{{#lambda.required}}{{{dataType}}}{{/lambda.required}} {{paramName}}  {{/requiredAndNotNullable}}{{^requiredAndNotNullable}}{{#lambda.optional}}{{{dataType}}}{{/lambda.optional}} {{paramName}}  {{/requiredAndNotNullable}}{{/allParams}}{{/lambda.joinWithComma}})
         {
-            Logger.LogError(exception, "An error occurred while sending the request to the server.");
+{{>OnErrorDefaultImplementation}}
+            OnError{{operationId}}({{#lambda.joinWithComma}}exception  pathFormat  path  {{#allParams}}{{paramName}}  {{/allParams}}{{/lambda.joinWithComma}});
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        {{#allParams}}
+        /// <param name="{{paramName}}"></param>
+        {{/allParams}}
+        partial void OnError{{operationId}}({{#lambda.joinWithComma}}Exception exception  string pathFormat  string path  {{#allParams}}{{#requiredAndNotNullable}}{{#lambda.required}}{{{dataType}}}{{/lambda.required}} {{paramName}}  {{/requiredAndNotNullable}}{{^requiredAndNotNullable}}{{#lambda.optional}}{{{dataType}}}{{/lambda.optional}} {{paramName}}  {{/requiredAndNotNullable}}{{/allParams}}{{/lambda.joinWithComma}});
+
         /// <summary>
         /// {{summary}} {{notes}}
         /// </summary>
@@ -477,13 +491,11 @@ namespace {{packageName}}.{{apiPackage}}
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "{{path}}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync({{#net60OrLater}}cancellationToken{{/net60OrLater}}).ConfigureAwait(false);
 
-                        ApiResponse<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}object{{/returnType}}> apiResponseLocalVar = new ApiResponse<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}object{{/returnType}}>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}object{{/returnType}}> apiResponseLocalVar = new ApiResponse<{{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}object{{/returnType}}>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "{{path}}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        After{{operationId}}({{#lambda.joinWithComma}}apiResponseLocalVar  {{#allParams}}{{paramName}}  {{/allParams}}{{/lambda.joinWithComma}});
+                        After{{operationId}}DefaultImplementation({{#lambda.joinWithComma}}apiResponseLocalVar  {{#allParams}}{{paramName}}  {{/allParams}}{{/lambda.joinWithComma}});
 
                         {{#authMethods}}
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
@@ -497,7 +509,7 @@ namespace {{packageName}}.{{apiPackage}}
             }
             catch(Exception e)
             {
-                OnError{{operationId}}({{#lambda.joinWithComma}}e  "{{path}}"  uriBuilderLocalVar.Path  {{#allParams}}{{paramName}}  {{/allParams}}{{/lambda.joinWithComma}});
+                OnError{{operationId}}DefaultImplementation({{#lambda.joinWithComma}}e  "{{path}}"  uriBuilderLocalVar.Path  {{#allParams}}{{paramName}}  {{/allParams}}{{/lambda.joinWithComma}});
                 throw;
             }
             {{/lambda.trimLineBreaks}}

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Api/AnotherFakeApi.cs

@@ -119,15 +119,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatCall123TestSpecialTags(ModelClient modelClient);
 
         /// <summary>
@@ -152,22 +143,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="modelClient"></param>
-        protected virtual void AfterCall123TestSpecialTags(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
+        private void AfterCall123TestSpecialTagsDefaultImplementation(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCall123TestSpecialTags(apiResponseLocalVar, modelClient);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="modelClient"></param>
+        partial void AfterCall123TestSpecialTags(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="modelClient"></param>
-        protected virtual void OnErrorCall123TestSpecialTags(Exception exception, string pathFormat, string path, ModelClient modelClient)
+        private void OnErrorCall123TestSpecialTagsDefaultImplementation(Exception exception, string pathFormat, string path, ModelClient modelClient)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCall123TestSpecialTags(exception, pathFormat, path, modelClient);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="modelClient"></param>
+        partial void OnErrorCall123TestSpecialTags(Exception exception, string pathFormat, string path, ModelClient modelClient);
+
         /// <summary>
         /// To test special tags To test special tags and operation ID starting with number
         /// </summary>
@@ -240,13 +250,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/another-fake/dummy", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/another-fake/dummy", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCall123TestSpecialTags(apiResponseLocalVar, modelClient);
+                        AfterCall123TestSpecialTagsDefaultImplementation(apiResponseLocalVar, modelClient);
 
                         return apiResponseLocalVar;
                     }
@@ -254,7 +262,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCall123TestSpecialTags(e, "/another-fake/dummy", uriBuilderLocalVar.Path, modelClient);
+                OnErrorCall123TestSpecialTagsDefaultImplementation(e, "/another-fake/dummy", uriBuilderLocalVar.Path, modelClient);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Api/DefaultApi.cs

@@ -162,33 +162,41 @@ namespace Org.OpenAPITools.Api
         }
 
         /// <summary>
-        /// Logs the api response
+        /// Processes the server response
         /// </summary>
-        /// <param name="args"></param>
+        /// <param name="apiResponseLocalVar"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
+        private void AfterFooGetDefaultImplementation(ApiResponse<FooGetDefaultResponse> apiResponseLocalVar)
         {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterFooGet(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterFooGet(ApiResponse<FooGetDefaultResponse> apiResponseLocalVar)
+        partial void AfterFooGet(ApiResponse<FooGetDefaultResponse> apiResponseLocalVar);
-        {
-        }
 
         /// <summary>
-        /// Processes the server response
+        /// Logs exceptions that occur while retrieving the server response
         /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorFooGet(Exception exception, string pathFormat, string path)
+        private void OnErrorFooGetDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorFooGet(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorFooGet(Exception exception, string pathFormat, string path);
+
         /// <summary>
         ///  
         /// </summary>
@@ -242,13 +250,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/foo", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<FooGetDefaultResponse> apiResponseLocalVar = new ApiResponse<FooGetDefaultResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<FooGetDefaultResponse> apiResponseLocalVar = new ApiResponse<FooGetDefaultResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/foo", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterFooGet(apiResponseLocalVar);
+                        AfterFooGetDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -256,7 +262,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorFooGet(e, "/foo", uriBuilderLocalVar.Path);
+                OnErrorFooGetDefaultImplementation(e, "/foo", uriBuilderLocalVar.Path);
                 throw;
             }
         }
@@ -285,22 +291,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="country"></param>
-        protected virtual void AfterGetCountry(ApiResponse<object> apiResponseLocalVar, string country)
+        private void AfterGetCountryDefaultImplementation(ApiResponse<object> apiResponseLocalVar, string country)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetCountry(apiResponseLocalVar, country);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="country"></param>
+        partial void AfterGetCountry(ApiResponse<object> apiResponseLocalVar, string country);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="country"></param>
-        protected virtual void OnErrorGetCountry(Exception exception, string pathFormat, string path, string country)
+        private void OnErrorGetCountryDefaultImplementation(Exception exception, string pathFormat, string path, string country)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetCountry(exception, pathFormat, path, country);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="country"></param>
+        partial void OnErrorGetCountry(Exception exception, string pathFormat, string path, string country);
+
         /// <summary>
         ///  
         /// </summary>
@@ -370,13 +395,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/country", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/country", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetCountry(apiResponseLocalVar, country);
+                        AfterGetCountryDefaultImplementation(apiResponseLocalVar, country);
 
                         return apiResponseLocalVar;
                     }
@@ -384,7 +407,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetCountry(e, "/country", uriBuilderLocalVar.Path, country);
+                OnErrorGetCountryDefaultImplementation(e, "/country", uriBuilderLocalVar.Path, country);
                 throw;
             }
         }
@@ -393,21 +416,38 @@ namespace Org.OpenAPITools.Api
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterHello(ApiResponse<List<Guid>> apiResponseLocalVar)
+        private void AfterHelloDefaultImplementation(ApiResponse<List<Guid>> apiResponseLocalVar)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterHello(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        partial void AfterHello(ApiResponse<List<Guid>> apiResponseLocalVar);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorHello(Exception exception, string pathFormat, string path)
+        private void OnErrorHelloDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorHello(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorHello(Exception exception, string pathFormat, string path);
+
         /// <summary>
         /// Hello Hello
         /// </summary>
@@ -461,13 +501,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/hello", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<List<Guid>> apiResponseLocalVar = new ApiResponse<List<Guid>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<List<Guid>> apiResponseLocalVar = new ApiResponse<List<Guid>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/hello", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterHello(apiResponseLocalVar);
+                        AfterHelloDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -475,7 +513,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorHello(e, "/hello", uriBuilderLocalVar.Path);
+                OnErrorHelloDefaultImplementation(e, "/hello", uriBuilderLocalVar.Path);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Api/FakeClassnameTags123Api.cs

@@ -119,15 +119,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatTestClassname(ModelClient modelClient);
 
         /// <summary>
@@ -152,22 +143,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="modelClient"></param>
-        protected virtual void AfterTestClassname(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
+        private void AfterTestClassnameDefaultImplementation(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterTestClassname(apiResponseLocalVar, modelClient);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="modelClient"></param>
+        partial void AfterTestClassname(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="modelClient"></param>
-        protected virtual void OnErrorTestClassname(Exception exception, string pathFormat, string path, ModelClient modelClient)
+        private void OnErrorTestClassnameDefaultImplementation(Exception exception, string pathFormat, string path, ModelClient modelClient)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorTestClassname(exception, pathFormat, path, modelClient);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="modelClient"></param>
+        partial void OnErrorTestClassname(Exception exception, string pathFormat, string path, ModelClient modelClient);
+
         /// <summary>
         /// To test class name in snake case To test class name in snake case
         /// </summary>
@@ -251,13 +261,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/fake_classname_test", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/fake_classname_test", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterTestClassname(apiResponseLocalVar, modelClient);
+                        AfterTestClassnameDefaultImplementation(apiResponseLocalVar, modelClient);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -269,7 +277,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorTestClassname(e, "/fake_classname_test", uriBuilderLocalVar.Path, modelClient);
+                OnErrorTestClassnameDefaultImplementation(e, "/fake_classname_test", uriBuilderLocalVar.Path, modelClient);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Api/PetApi.cs

@@ -317,15 +317,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatAddPet(Pet pet);
 
         /// <summary>
@@ -350,22 +341,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="pet"></param>
-        protected virtual void AfterAddPet(ApiResponse<object> apiResponseLocalVar, Pet pet)
+        private void AfterAddPetDefaultImplementation(ApiResponse<object> apiResponseLocalVar, Pet pet)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterAddPet(apiResponseLocalVar, pet);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="pet"></param>
+        partial void AfterAddPet(ApiResponse<object> apiResponseLocalVar, Pet pet);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="pet"></param>
-        protected virtual void OnErrorAddPet(Exception exception, string pathFormat, string path, Pet pet)
+        private void OnErrorAddPetDefaultImplementation(Exception exception, string pathFormat, string path, Pet pet)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorAddPet(exception, pathFormat, path, pet);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="pet"></param>
+        partial void OnErrorAddPet(Exception exception, string pathFormat, string path, Pet pet);
+
         /// <summary>
         /// Add a new pet to the store 
         /// </summary>
@@ -446,13 +456,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterAddPet(apiResponseLocalVar, pet);
+                        AfterAddPetDefaultImplementation(apiResponseLocalVar, pet);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -468,7 +476,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorAddPet(e, "/pet", uriBuilderLocalVar.Path, pet);
+                OnErrorAddPetDefaultImplementation(e, "/pet", uriBuilderLocalVar.Path, pet);
                 throw;
             }
         }
@@ -498,23 +506,44 @@ namespace Org.OpenAPITools.Api
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="petId"></param>
         /// <param name="apiKey"></param>
-        protected virtual void AfterDeletePet(ApiResponse<object> apiResponseLocalVar, long petId, string? apiKey)
+        private void AfterDeletePetDefaultImplementation(ApiResponse<object> apiResponseLocalVar, long petId, string? apiKey)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterDeletePet(apiResponseLocalVar, petId, apiKey);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        /// <param name="apiKey"></param>
+        partial void AfterDeletePet(ApiResponse<object> apiResponseLocalVar, long petId, string? apiKey);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
         /// <param name="apiKey"></param>
-        protected virtual void OnErrorDeletePet(Exception exception, string pathFormat, string path, long petId, string? apiKey)
+        private void OnErrorDeletePetDefaultImplementation(Exception exception, string pathFormat, string path, long petId, string? apiKey)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorDeletePet(exception, pathFormat, path, petId, apiKey);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        /// <param name="apiKey"></param>
+        partial void OnErrorDeletePet(Exception exception, string pathFormat, string path, long petId, string? apiKey);
+
         /// <summary>
         /// Deletes a pet 
         /// </summary>
@@ -579,13 +608,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterDeletePet(apiResponseLocalVar, petId, apiKey);
+                        AfterDeletePetDefaultImplementation(apiResponseLocalVar, petId, apiKey);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -597,7 +624,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorDeletePet(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, apiKey);
+                OnErrorDeletePetDefaultImplementation(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, apiKey);
                 throw;
             }
         }
@@ -626,22 +653,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="status"></param>
-        protected virtual void AfterFindPetsByStatus(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> status)
+        private void AfterFindPetsByStatusDefaultImplementation(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> status)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterFindPetsByStatus(apiResponseLocalVar, status);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="status"></param>
+        partial void AfterFindPetsByStatus(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> status);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="status"></param>
-        protected virtual void OnErrorFindPetsByStatus(Exception exception, string pathFormat, string path, List<string> status)
+        private void OnErrorFindPetsByStatusDefaultImplementation(Exception exception, string pathFormat, string path, List<string> status)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorFindPetsByStatus(exception, pathFormat, path, status);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="status"></param>
+        partial void OnErrorFindPetsByStatus(Exception exception, string pathFormat, string path, List<string> status);
+
         /// <summary>
         /// Finds Pets by status Multiple status values can be provided with comma separated strings
         /// </summary>
@@ -724,13 +770,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/findByStatus", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/findByStatus", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterFindPetsByStatus(apiResponseLocalVar, status);
+                        AfterFindPetsByStatusDefaultImplementation(apiResponseLocalVar, status);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -746,7 +790,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorFindPetsByStatus(e, "/pet/findByStatus", uriBuilderLocalVar.Path, status);
+                OnErrorFindPetsByStatusDefaultImplementation(e, "/pet/findByStatus", uriBuilderLocalVar.Path, status);
                 throw;
             }
         }
@@ -775,22 +819,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="tags"></param>
-        protected virtual void AfterFindPetsByTags(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> tags)
+        private void AfterFindPetsByTagsDefaultImplementation(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> tags)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterFindPetsByTags(apiResponseLocalVar, tags);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="tags"></param>
+        partial void AfterFindPetsByTags(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> tags);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="tags"></param>
-        protected virtual void OnErrorFindPetsByTags(Exception exception, string pathFormat, string path, List<string> tags)
+        private void OnErrorFindPetsByTagsDefaultImplementation(Exception exception, string pathFormat, string path, List<string> tags)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorFindPetsByTags(exception, pathFormat, path, tags);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="tags"></param>
+        partial void OnErrorFindPetsByTags(Exception exception, string pathFormat, string path, List<string> tags);
+
         /// <summary>
         /// Finds Pets by tags Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
         /// </summary>
@@ -873,13 +936,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/findByTags", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/findByTags", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterFindPetsByTags(apiResponseLocalVar, tags);
+                        AfterFindPetsByTagsDefaultImplementation(apiResponseLocalVar, tags);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -895,7 +956,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorFindPetsByTags(e, "/pet/findByTags", uriBuilderLocalVar.Path, tags);
+                OnErrorFindPetsByTagsDefaultImplementation(e, "/pet/findByTags", uriBuilderLocalVar.Path, tags);
                 throw;
             }
         }
@@ -924,22 +985,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="petId"></param>
-        protected virtual void AfterGetPetById(ApiResponse<Pet> apiResponseLocalVar, long petId)
+        private void AfterGetPetByIdDefaultImplementation(ApiResponse<Pet> apiResponseLocalVar, long petId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetPetById(apiResponseLocalVar, petId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        partial void AfterGetPetById(ApiResponse<Pet> apiResponseLocalVar, long petId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
-        protected virtual void OnErrorGetPetById(Exception exception, string pathFormat, string path, long petId)
+        private void OnErrorGetPetByIdDefaultImplementation(Exception exception, string pathFormat, string path, long petId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetPetById(exception, pathFormat, path, petId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        partial void OnErrorGetPetById(Exception exception, string pathFormat, string path, long petId);
+
         /// <summary>
         /// Find pet by ID Returns a single pet
         /// </summary>
@@ -1009,13 +1089,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Pet> apiResponseLocalVar = new ApiResponse<Pet>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Pet> apiResponseLocalVar = new ApiResponse<Pet>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetPetById(apiResponseLocalVar, petId);
+                        AfterGetPetByIdDefaultImplementation(apiResponseLocalVar, petId);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1027,7 +1105,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetPetById(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId);
+                OnErrorGetPetByIdDefaultImplementation(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId);
                 throw;
             }
         }
@@ -1056,22 +1134,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="pet"></param>
-        protected virtual void AfterUpdatePet(ApiResponse<object> apiResponseLocalVar, Pet pet)
+        private void AfterUpdatePetDefaultImplementation(ApiResponse<object> apiResponseLocalVar, Pet pet)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUpdatePet(apiResponseLocalVar, pet);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="pet"></param>
+        partial void AfterUpdatePet(ApiResponse<object> apiResponseLocalVar, Pet pet);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="pet"></param>
-        protected virtual void OnErrorUpdatePet(Exception exception, string pathFormat, string path, Pet pet)
+        private void OnErrorUpdatePetDefaultImplementation(Exception exception, string pathFormat, string path, Pet pet)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUpdatePet(exception, pathFormat, path, pet);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="pet"></param>
+        partial void OnErrorUpdatePet(Exception exception, string pathFormat, string path, Pet pet);
+
         /// <summary>
         /// Update an existing pet 
         /// </summary>
@@ -1152,13 +1249,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUpdatePet(apiResponseLocalVar, pet);
+                        AfterUpdatePetDefaultImplementation(apiResponseLocalVar, pet);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1174,7 +1269,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUpdatePet(e, "/pet", uriBuilderLocalVar.Path, pet);
+                OnErrorUpdatePetDefaultImplementation(e, "/pet", uriBuilderLocalVar.Path, pet);
                 throw;
             }
         }
@@ -1205,24 +1300,47 @@ namespace Org.OpenAPITools.Api
         /// <param name="petId"></param>
         /// <param name="name"></param>
         /// <param name="status"></param>
-        protected virtual void AfterUpdatePetWithForm(ApiResponse<object> apiResponseLocalVar, long petId, string? name, string? status)
+        private void AfterUpdatePetWithFormDefaultImplementation(ApiResponse<object> apiResponseLocalVar, long petId, string? name, string? status)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUpdatePetWithForm(apiResponseLocalVar, petId, name, status);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        /// <param name="name"></param>
+        /// <param name="status"></param>
+        partial void AfterUpdatePetWithForm(ApiResponse<object> apiResponseLocalVar, long petId, string? name, string? status);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
         /// <param name="name"></param>
         /// <param name="status"></param>
-        protected virtual void OnErrorUpdatePetWithForm(Exception exception, string pathFormat, string path, long petId, string? name, string? status)
+        private void OnErrorUpdatePetWithFormDefaultImplementation(Exception exception, string pathFormat, string path, long petId, string? name, string? status)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUpdatePetWithForm(exception, pathFormat, path, petId, name, status);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        /// <param name="name"></param>
+        /// <param name="status"></param>
+        partial void OnErrorUpdatePetWithForm(Exception exception, string pathFormat, string path, long petId, string? name, string? status);
+
         /// <summary>
         /// Updates a pet in the store with form data 
         /// </summary>
@@ -1307,13 +1425,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUpdatePetWithForm(apiResponseLocalVar, petId, name, status);
+                        AfterUpdatePetWithFormDefaultImplementation(apiResponseLocalVar, petId, name, status);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1325,7 +1441,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUpdatePetWithForm(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, name, status);
+                OnErrorUpdatePetWithFormDefaultImplementation(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, name, status);
                 throw;
             }
         }
@@ -1356,24 +1472,47 @@ namespace Org.OpenAPITools.Api
         /// <param name="petId"></param>
         /// <param name="file"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void AfterUploadFile(ApiResponse<ApiResponse> apiResponseLocalVar, long petId, System.IO.Stream? file, string? additionalMetadata)
+        private void AfterUploadFileDefaultImplementation(ApiResponse<ApiResponse> apiResponseLocalVar, long petId, System.IO.Stream? file, string? additionalMetadata)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUploadFile(apiResponseLocalVar, petId, file, additionalMetadata);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        /// <param name="file"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void AfterUploadFile(ApiResponse<ApiResponse> apiResponseLocalVar, long petId, System.IO.Stream? file, string? additionalMetadata);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
         /// <param name="file"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void OnErrorUploadFile(Exception exception, string pathFormat, string path, long petId, System.IO.Stream? file, string? additionalMetadata)
+        private void OnErrorUploadFileDefaultImplementation(Exception exception, string pathFormat, string path, long petId, System.IO.Stream? file, string? additionalMetadata)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUploadFile(exception, pathFormat, path, petId, file, additionalMetadata);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        /// <param name="file"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void OnErrorUploadFile(Exception exception, string pathFormat, string path, long petId, System.IO.Stream? file, string? additionalMetadata);
+
         /// <summary>
         /// uploads an image 
         /// </summary>
@@ -1467,13 +1606,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}/uploadImage", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}/uploadImage", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUploadFile(apiResponseLocalVar, petId, file, additionalMetadata);
+                        AfterUploadFileDefaultImplementation(apiResponseLocalVar, petId, file, additionalMetadata);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1485,7 +1622,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUploadFile(e, "/pet/{petId}/uploadImage", uriBuilderLocalVar.Path, petId, file, additionalMetadata);
+                OnErrorUploadFileDefaultImplementation(e, "/pet/{petId}/uploadImage", uriBuilderLocalVar.Path, petId, file, additionalMetadata);
                 throw;
             }
         }
@@ -1520,24 +1657,47 @@ namespace Org.OpenAPITools.Api
         /// <param name="requiredFile"></param>
         /// <param name="petId"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void AfterUploadFileWithRequiredFile(ApiResponse<ApiResponse> apiResponseLocalVar, System.IO.Stream requiredFile, long petId, string? additionalMetadata)
+        private void AfterUploadFileWithRequiredFileDefaultImplementation(ApiResponse<ApiResponse> apiResponseLocalVar, System.IO.Stream requiredFile, long petId, string? additionalMetadata)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUploadFileWithRequiredFile(apiResponseLocalVar, requiredFile, petId, additionalMetadata);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="requiredFile"></param>
+        /// <param name="petId"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void AfterUploadFileWithRequiredFile(ApiResponse<ApiResponse> apiResponseLocalVar, System.IO.Stream requiredFile, long petId, string? additionalMetadata);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="requiredFile"></param>
         /// <param name="petId"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void OnErrorUploadFileWithRequiredFile(Exception exception, string pathFormat, string path, System.IO.Stream requiredFile, long petId, string? additionalMetadata)
+        private void OnErrorUploadFileWithRequiredFileDefaultImplementation(Exception exception, string pathFormat, string path, System.IO.Stream requiredFile, long petId, string? additionalMetadata)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUploadFileWithRequiredFile(exception, pathFormat, path, requiredFile, petId, additionalMetadata);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="requiredFile"></param>
+        /// <param name="petId"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void OnErrorUploadFileWithRequiredFile(Exception exception, string pathFormat, string path, System.IO.Stream requiredFile, long petId, string? additionalMetadata);
+
         /// <summary>
         /// uploads an image (required) 
         /// </summary>
@@ -1631,13 +1791,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/fake/{petId}/uploadImageWithRequiredFile", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/fake/{petId}/uploadImageWithRequiredFile", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUploadFileWithRequiredFile(apiResponseLocalVar, requiredFile, petId, additionalMetadata);
+                        AfterUploadFileWithRequiredFileDefaultImplementation(apiResponseLocalVar, requiredFile, petId, additionalMetadata);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1649,7 +1807,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUploadFileWithRequiredFile(e, "/fake/{petId}/uploadImageWithRequiredFile", uriBuilderLocalVar.Path, requiredFile, petId, additionalMetadata);
+                OnErrorUploadFileWithRequiredFileDefaultImplementation(e, "/fake/{petId}/uploadImageWithRequiredFile", uriBuilderLocalVar.Path, requiredFile, petId, additionalMetadata);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Api/StoreApi.cs

@@ -186,15 +186,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatDeleteOrder(ref string orderId);
 
         /// <summary>
@@ -219,22 +210,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="orderId"></param>
-        protected virtual void AfterDeleteOrder(ApiResponse<object> apiResponseLocalVar, string orderId)
+        private void AfterDeleteOrderDefaultImplementation(ApiResponse<object> apiResponseLocalVar, string orderId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterDeleteOrder(apiResponseLocalVar, orderId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="orderId"></param>
+        partial void AfterDeleteOrder(ApiResponse<object> apiResponseLocalVar, string orderId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="orderId"></param>
-        protected virtual void OnErrorDeleteOrder(Exception exception, string pathFormat, string path, string orderId)
+        private void OnErrorDeleteOrderDefaultImplementation(Exception exception, string pathFormat, string path, string orderId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorDeleteOrder(exception, pathFormat, path, orderId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="orderId"></param>
+        partial void OnErrorDeleteOrder(Exception exception, string pathFormat, string path, string orderId);
+
         /// <summary>
         /// Delete purchase order by ID For valid response try integer IDs with value &lt; 1000. Anything above 1000 or nonintegers will generate API errors
         /// </summary>
@@ -286,13 +296,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/order/{order_id}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/order/{order_id}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterDeleteOrder(apiResponseLocalVar, orderId);
+                        AfterDeleteOrderDefaultImplementation(apiResponseLocalVar, orderId);
 
                         return apiResponseLocalVar;
                     }
@@ -300,7 +308,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorDeleteOrder(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
+                OnErrorDeleteOrderDefaultImplementation(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
                 throw;
             }
         }
@@ -309,21 +317,38 @@ namespace Org.OpenAPITools.Api
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterGetInventory(ApiResponse<Dictionary<string, int>> apiResponseLocalVar)
+        private void AfterGetInventoryDefaultImplementation(ApiResponse<Dictionary<string, int>> apiResponseLocalVar)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetInventory(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        partial void AfterGetInventory(ApiResponse<Dictionary<string, int>> apiResponseLocalVar);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorGetInventory(Exception exception, string pathFormat, string path)
+        private void OnErrorGetInventoryDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetInventory(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorGetInventory(Exception exception, string pathFormat, string path);
+
         /// <summary>
         /// Returns pet inventories by status Returns a map of status codes to quantities
         /// </summary>
@@ -385,13 +410,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/inventory", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Dictionary<string, int>> apiResponseLocalVar = new ApiResponse<Dictionary<string, int>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Dictionary<string, int>> apiResponseLocalVar = new ApiResponse<Dictionary<string, int>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/inventory", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetInventory(apiResponseLocalVar);
+                        AfterGetInventoryDefaultImplementation(apiResponseLocalVar);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -403,7 +426,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetInventory(e, "/store/inventory", uriBuilderLocalVar.Path);
+                OnErrorGetInventoryDefaultImplementation(e, "/store/inventory", uriBuilderLocalVar.Path);
                 throw;
             }
         }
@@ -432,22 +455,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="orderId"></param>
-        protected virtual void AfterGetOrderById(ApiResponse<Order> apiResponseLocalVar, long orderId)
+        private void AfterGetOrderByIdDefaultImplementation(ApiResponse<Order> apiResponseLocalVar, long orderId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetOrderById(apiResponseLocalVar, orderId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="orderId"></param>
+        partial void AfterGetOrderById(ApiResponse<Order> apiResponseLocalVar, long orderId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="orderId"></param>
-        protected virtual void OnErrorGetOrderById(Exception exception, string pathFormat, string path, long orderId)
+        private void OnErrorGetOrderByIdDefaultImplementation(Exception exception, string pathFormat, string path, long orderId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetOrderById(exception, pathFormat, path, orderId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="orderId"></param>
+        partial void OnErrorGetOrderById(Exception exception, string pathFormat, string path, long orderId);
+
         /// <summary>
         /// Find purchase order by ID For valid response try integer IDs with value &lt;&#x3D; 5 or &gt; 10. Other values will generate exceptions
         /// </summary>
@@ -509,13 +551,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/order/{order_id}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/order/{order_id}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetOrderById(apiResponseLocalVar, orderId);
+                        AfterGetOrderByIdDefaultImplementation(apiResponseLocalVar, orderId);
 
                         return apiResponseLocalVar;
                     }
@@ -523,7 +563,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetOrderById(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
+                OnErrorGetOrderByIdDefaultImplementation(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
                 throw;
             }
         }
@@ -552,22 +592,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="order"></param>
-        protected virtual void AfterPlaceOrder(ApiResponse<Order> apiResponseLocalVar, Order order)
+        private void AfterPlaceOrderDefaultImplementation(ApiResponse<Order> apiResponseLocalVar, Order order)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterPlaceOrder(apiResponseLocalVar, order);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="order"></param>
+        partial void AfterPlaceOrder(ApiResponse<Order> apiResponseLocalVar, Order order);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="order"></param>
-        protected virtual void OnErrorPlaceOrder(Exception exception, string pathFormat, string path, Order order)
+        private void OnErrorPlaceOrderDefaultImplementation(Exception exception, string pathFormat, string path, Order order)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorPlaceOrder(exception, pathFormat, path, order);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="order"></param>
+        partial void OnErrorPlaceOrder(Exception exception, string pathFormat, string path, Order order);
+
         /// <summary>
         /// Place an order for a pet 
         /// </summary>
@@ -641,13 +700,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/order", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/order", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterPlaceOrder(apiResponseLocalVar, order);
+                        AfterPlaceOrderDefaultImplementation(apiResponseLocalVar, order);
 
                         return apiResponseLocalVar;
                     }
@@ -655,7 +712,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorPlaceOrder(e, "/store/order", uriBuilderLocalVar.Path, order);
+                OnErrorPlaceOrderDefaultImplementation(e, "/store/order", uriBuilderLocalVar.Path, order);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Api/UserApi.cs

@@ -282,15 +282,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatCreateUser(User user);
 
         /// <summary>
@@ -315,22 +306,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
-        protected virtual void AfterCreateUser(ApiResponse<object> apiResponseLocalVar, User user)
+        private void AfterCreateUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar, User user)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCreateUser(apiResponseLocalVar, user);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        partial void AfterCreateUser(ApiResponse<object> apiResponseLocalVar, User user);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
-        protected virtual void OnErrorCreateUser(Exception exception, string pathFormat, string path, User user)
+        private void OnErrorCreateUserDefaultImplementation(Exception exception, string pathFormat, string path, User user)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCreateUser(exception, pathFormat, path, user);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        partial void OnErrorCreateUser(Exception exception, string pathFormat, string path, User user);
+
         /// <summary>
         /// Create user This can only be done by the logged in user.
         /// </summary>
@@ -394,13 +404,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCreateUser(apiResponseLocalVar, user);
+                        AfterCreateUserDefaultImplementation(apiResponseLocalVar, user);
 
                         return apiResponseLocalVar;
                     }
@@ -408,7 +416,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCreateUser(e, "/user", uriBuilderLocalVar.Path, user);
+                OnErrorCreateUserDefaultImplementation(e, "/user", uriBuilderLocalVar.Path, user);
                 throw;
             }
         }
@@ -437,22 +445,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
-        protected virtual void AfterCreateUsersWithArrayInput(ApiResponse<object> apiResponseLocalVar, List<User> user)
+        private void AfterCreateUsersWithArrayInputDefaultImplementation(ApiResponse<object> apiResponseLocalVar, List<User> user)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCreateUsersWithArrayInput(apiResponseLocalVar, user);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        partial void AfterCreateUsersWithArrayInput(ApiResponse<object> apiResponseLocalVar, List<User> user);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
-        protected virtual void OnErrorCreateUsersWithArrayInput(Exception exception, string pathFormat, string path, List<User> user)
+        private void OnErrorCreateUsersWithArrayInputDefaultImplementation(Exception exception, string pathFormat, string path, List<User> user)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCreateUsersWithArrayInput(exception, pathFormat, path, user);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        partial void OnErrorCreateUsersWithArrayInput(Exception exception, string pathFormat, string path, List<User> user);
+
         /// <summary>
         /// Creates list of users with given input array 
         /// </summary>
@@ -516,13 +543,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/createWithArray", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/createWithArray", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCreateUsersWithArrayInput(apiResponseLocalVar, user);
+                        AfterCreateUsersWithArrayInputDefaultImplementation(apiResponseLocalVar, user);
 
                         return apiResponseLocalVar;
                     }
@@ -530,7 +555,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCreateUsersWithArrayInput(e, "/user/createWithArray", uriBuilderLocalVar.Path, user);
+                OnErrorCreateUsersWithArrayInputDefaultImplementation(e, "/user/createWithArray", uriBuilderLocalVar.Path, user);
                 throw;
             }
         }
@@ -559,22 +584,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
-        protected virtual void AfterCreateUsersWithListInput(ApiResponse<object> apiResponseLocalVar, List<User> user)
+        private void AfterCreateUsersWithListInputDefaultImplementation(ApiResponse<object> apiResponseLocalVar, List<User> user)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCreateUsersWithListInput(apiResponseLocalVar, user);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        partial void AfterCreateUsersWithListInput(ApiResponse<object> apiResponseLocalVar, List<User> user);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
-        protected virtual void OnErrorCreateUsersWithListInput(Exception exception, string pathFormat, string path, List<User> user)
+        private void OnErrorCreateUsersWithListInputDefaultImplementation(Exception exception, string pathFormat, string path, List<User> user)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCreateUsersWithListInput(exception, pathFormat, path, user);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        partial void OnErrorCreateUsersWithListInput(Exception exception, string pathFormat, string path, List<User> user);
+
         /// <summary>
         /// Creates list of users with given input array 
         /// </summary>
@@ -638,13 +682,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/createWithList", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/createWithList", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCreateUsersWithListInput(apiResponseLocalVar, user);
+                        AfterCreateUsersWithListInputDefaultImplementation(apiResponseLocalVar, user);
 
                         return apiResponseLocalVar;
                     }
@@ -652,7 +694,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCreateUsersWithListInput(e, "/user/createWithList", uriBuilderLocalVar.Path, user);
+                OnErrorCreateUsersWithListInputDefaultImplementation(e, "/user/createWithList", uriBuilderLocalVar.Path, user);
                 throw;
             }
         }
@@ -681,22 +723,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="username"></param>
-        protected virtual void AfterDeleteUser(ApiResponse<object> apiResponseLocalVar, string username)
+        private void AfterDeleteUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar, string username)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterDeleteUser(apiResponseLocalVar, username);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="username"></param>
+        partial void AfterDeleteUser(ApiResponse<object> apiResponseLocalVar, string username);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="username"></param>
-        protected virtual void OnErrorDeleteUser(Exception exception, string pathFormat, string path, string username)
+        private void OnErrorDeleteUserDefaultImplementation(Exception exception, string pathFormat, string path, string username)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorDeleteUser(exception, pathFormat, path, username);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="username"></param>
+        partial void OnErrorDeleteUser(Exception exception, string pathFormat, string path, string username);
+
         /// <summary>
         /// Delete user This can only be done by the logged in user.
         /// </summary>
@@ -748,13 +809,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/{username}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/{username}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterDeleteUser(apiResponseLocalVar, username);
+                        AfterDeleteUserDefaultImplementation(apiResponseLocalVar, username);
 
                         return apiResponseLocalVar;
                     }
@@ -762,7 +821,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorDeleteUser(e, "/user/{username}", uriBuilderLocalVar.Path, username);
+                OnErrorDeleteUserDefaultImplementation(e, "/user/{username}", uriBuilderLocalVar.Path, username);
                 throw;
             }
         }
@@ -791,22 +850,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="username"></param>
-        protected virtual void AfterGetUserByName(ApiResponse<User> apiResponseLocalVar, string username)
+        private void AfterGetUserByNameDefaultImplementation(ApiResponse<User> apiResponseLocalVar, string username)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetUserByName(apiResponseLocalVar, username);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="username"></param>
+        partial void AfterGetUserByName(ApiResponse<User> apiResponseLocalVar, string username);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="username"></param>
-        protected virtual void OnErrorGetUserByName(Exception exception, string pathFormat, string path, string username)
+        private void OnErrorGetUserByNameDefaultImplementation(Exception exception, string pathFormat, string path, string username)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetUserByName(exception, pathFormat, path, username);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="username"></param>
+        partial void OnErrorGetUserByName(Exception exception, string pathFormat, string path, string username);
+
         /// <summary>
         /// Get user by user name 
         /// </summary>
@@ -868,13 +946,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/{username}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<User> apiResponseLocalVar = new ApiResponse<User>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<User> apiResponseLocalVar = new ApiResponse<User>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/{username}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetUserByName(apiResponseLocalVar, username);
+                        AfterGetUserByNameDefaultImplementation(apiResponseLocalVar, username);
 
                         return apiResponseLocalVar;
                     }
@@ -882,7 +958,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetUserByName(e, "/user/{username}", uriBuilderLocalVar.Path, username);
+                OnErrorGetUserByNameDefaultImplementation(e, "/user/{username}", uriBuilderLocalVar.Path, username);
                 throw;
             }
         }
@@ -916,23 +992,44 @@ namespace Org.OpenAPITools.Api
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="username"></param>
         /// <param name="password"></param>
-        protected virtual void AfterLoginUser(ApiResponse<string> apiResponseLocalVar, string username, string password)
+        private void AfterLoginUserDefaultImplementation(ApiResponse<string> apiResponseLocalVar, string username, string password)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterLoginUser(apiResponseLocalVar, username, password);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="username"></param>
+        /// <param name="password"></param>
+        partial void AfterLoginUser(ApiResponse<string> apiResponseLocalVar, string username, string password);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="username"></param>
         /// <param name="password"></param>
-        protected virtual void OnErrorLoginUser(Exception exception, string pathFormat, string path, string username, string password)
+        private void OnErrorLoginUserDefaultImplementation(Exception exception, string pathFormat, string path, string username, string password)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorLoginUser(exception, pathFormat, path, username, password);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="username"></param>
+        /// <param name="password"></param>
+        partial void OnErrorLoginUser(Exception exception, string pathFormat, string path, string username, string password);
+
         /// <summary>
         /// Logs user into the system 
         /// </summary>
@@ -1002,13 +1099,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/login", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<string> apiResponseLocalVar = new ApiResponse<string>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<string> apiResponseLocalVar = new ApiResponse<string>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/login", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterLoginUser(apiResponseLocalVar, username, password);
+                        AfterLoginUserDefaultImplementation(apiResponseLocalVar, username, password);
 
                         return apiResponseLocalVar;
                     }
@@ -1016,7 +1111,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorLoginUser(e, "/user/login", uriBuilderLocalVar.Path, username, password);
+                OnErrorLoginUserDefaultImplementation(e, "/user/login", uriBuilderLocalVar.Path, username, password);
                 throw;
             }
         }
@@ -1025,21 +1120,38 @@ namespace Org.OpenAPITools.Api
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterLogoutUser(ApiResponse<object> apiResponseLocalVar)
+        private void AfterLogoutUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterLogoutUser(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        partial void AfterLogoutUser(ApiResponse<object> apiResponseLocalVar);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorLogoutUser(Exception exception, string pathFormat, string path)
+        private void OnErrorLogoutUserDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorLogoutUser(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorLogoutUser(Exception exception, string pathFormat, string path);
+
         /// <summary>
         /// Logs out current logged in user session 
         /// </summary>
@@ -1084,13 +1196,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/logout", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/logout", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterLogoutUser(apiResponseLocalVar);
+                        AfterLogoutUserDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -1098,7 +1208,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorLogoutUser(e, "/user/logout", uriBuilderLocalVar.Path);
+                OnErrorLogoutUserDefaultImplementation(e, "/user/logout", uriBuilderLocalVar.Path);
                 throw;
             }
         }
@@ -1132,23 +1242,44 @@ namespace Org.OpenAPITools.Api
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
         /// <param name="username"></param>
-        protected virtual void AfterUpdateUser(ApiResponse<object> apiResponseLocalVar, User user, string username)
+        private void AfterUpdateUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar, User user, string username)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUpdateUser(apiResponseLocalVar, user, username);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        /// <param name="username"></param>
+        partial void AfterUpdateUser(ApiResponse<object> apiResponseLocalVar, User user, string username);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
         /// <param name="username"></param>
-        protected virtual void OnErrorUpdateUser(Exception exception, string pathFormat, string path, User user, string username)
+        private void OnErrorUpdateUserDefaultImplementation(Exception exception, string pathFormat, string path, User user, string username)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUpdateUser(exception, pathFormat, path, user, username);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        /// <param name="username"></param>
+        partial void OnErrorUpdateUser(Exception exception, string pathFormat, string path, User user, string username);
+
         /// <summary>
         /// Updated user This can only be done by the logged in user.
         /// </summary>
@@ -1215,13 +1346,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/{username}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/{username}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUpdateUser(apiResponseLocalVar, user, username);
+                        AfterUpdateUserDefaultImplementation(apiResponseLocalVar, user, username);
 
                         return apiResponseLocalVar;
                     }
@@ -1229,7 +1358,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUpdateUser(e, "/user/{username}", uriBuilderLocalVar.Path, user, username);
+                OnErrorUpdateUserDefaultImplementation(e, "/user/{username}", uriBuilderLocalVar.Path, user, username);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Client/ApiResponse`1.cs

@@ -34,7 +34,7 @@ namespace Org.OpenAPITools.Client
         HttpStatusCode StatusCode { get; }
 
         /// <summary>
-        /// The raw content of this response
+        /// The raw content of this response.
         /// </summary>
         string RawContent { get; }
 
@@ -42,6 +42,16 @@ namespace Org.OpenAPITools.Client
         /// The DateTime when the request was retrieved.
         /// </summary>
         DateTime DownloadedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        Uri? RequestUri { get; }
     }
 
     /// <summary>
@@ -88,6 +98,21 @@ namespace Org.OpenAPITools.Client
         /// </summary>
         public DateTime DownloadedAt { get; } = DateTime.UtcNow;
 
+        /// <summary>
+        /// The DateTime when the request was sent.
+        /// </summary>
+        public DateTime RequestedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        public string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        public Uri? RequestUri { get; }
+
         /// <summary>
         /// The JsonSerialzierOptions
         /// </summary>
@@ -99,14 +124,19 @@ namespace Org.OpenAPITools.Client
         /// <param name="httpRequestMessage"></param>
         /// <param name="httpResponseMessage"></param>
         /// <param name="rawContent"></param>
+        /// <param name="path"></param>
+        /// <param name="requestedAt"></param>
         /// <param name="jsonSerializerOptions"></param>
-        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
+        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, string path, DateTime requestedAt, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
         {
             StatusCode = httpResponseMessage.StatusCode;
             Headers = httpResponseMessage.Headers;
             IsSuccessStatusCode = httpResponseMessage.IsSuccessStatusCode;
             ReasonPhrase = httpResponseMessage.ReasonPhrase;
             RawContent = rawContent;
+            Path = path;
+            RequestUri = httpRequestMessage.RequestUri;
+            RequestedAt = requestedAt;
             _jsonSerializerOptions = jsonSerializerOptions;
             OnCreated(httpRequestMessage, httpResponseMessage);
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Api/AnotherFakeApi.cs

@@ -117,15 +117,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatCall123TestSpecialTags(ModelClient modelClient);
 
         /// <summary>
@@ -150,22 +141,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="modelClient"></param>
-        protected virtual void AfterCall123TestSpecialTags(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
+        private void AfterCall123TestSpecialTagsDefaultImplementation(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCall123TestSpecialTags(apiResponseLocalVar, modelClient);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="modelClient"></param>
+        partial void AfterCall123TestSpecialTags(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="modelClient"></param>
-        protected virtual void OnErrorCall123TestSpecialTags(Exception exception, string pathFormat, string path, ModelClient modelClient)
+        private void OnErrorCall123TestSpecialTagsDefaultImplementation(Exception exception, string pathFormat, string path, ModelClient modelClient)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCall123TestSpecialTags(exception, pathFormat, path, modelClient);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="modelClient"></param>
+        partial void OnErrorCall123TestSpecialTags(Exception exception, string pathFormat, string path, ModelClient modelClient);
+
         /// <summary>
         /// To test special tags To test special tags and operation ID starting with number
         /// </summary>
@@ -238,13 +248,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/another-fake/dummy", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/another-fake/dummy", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCall123TestSpecialTags(apiResponseLocalVar, modelClient);
+                        AfterCall123TestSpecialTagsDefaultImplementation(apiResponseLocalVar, modelClient);
 
                         return apiResponseLocalVar;
                     }
@@ -252,7 +260,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCall123TestSpecialTags(e, "/another-fake/dummy", uriBuilderLocalVar.Path, modelClient);
+                OnErrorCall123TestSpecialTagsDefaultImplementation(e, "/another-fake/dummy", uriBuilderLocalVar.Path, modelClient);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Api/DefaultApi.cs

@@ -160,33 +160,41 @@ namespace Org.OpenAPITools.Api
         }
 
         /// <summary>
-        /// Logs the api response
+        /// Processes the server response
         /// </summary>
-        /// <param name="args"></param>
+        /// <param name="apiResponseLocalVar"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
+        private void AfterFooGetDefaultImplementation(ApiResponse<FooGetDefaultResponse> apiResponseLocalVar)
         {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterFooGet(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterFooGet(ApiResponse<FooGetDefaultResponse> apiResponseLocalVar)
+        partial void AfterFooGet(ApiResponse<FooGetDefaultResponse> apiResponseLocalVar);
-        {
-        }
 
         /// <summary>
-        /// Processes the server response
+        /// Logs exceptions that occur while retrieving the server response
         /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorFooGet(Exception exception, string pathFormat, string path)
+        private void OnErrorFooGetDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorFooGet(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorFooGet(Exception exception, string pathFormat, string path);
+
         /// <summary>
         ///  
         /// </summary>
@@ -240,13 +248,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/foo", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<FooGetDefaultResponse> apiResponseLocalVar = new ApiResponse<FooGetDefaultResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<FooGetDefaultResponse> apiResponseLocalVar = new ApiResponse<FooGetDefaultResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/foo", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterFooGet(apiResponseLocalVar);
+                        AfterFooGetDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -254,7 +260,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorFooGet(e, "/foo", uriBuilderLocalVar.Path);
+                OnErrorFooGetDefaultImplementation(e, "/foo", uriBuilderLocalVar.Path);
                 throw;
             }
         }
@@ -283,22 +289,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="country"></param>
-        protected virtual void AfterGetCountry(ApiResponse<object> apiResponseLocalVar, string country)
+        private void AfterGetCountryDefaultImplementation(ApiResponse<object> apiResponseLocalVar, string country)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetCountry(apiResponseLocalVar, country);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="country"></param>
+        partial void AfterGetCountry(ApiResponse<object> apiResponseLocalVar, string country);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="country"></param>
-        protected virtual void OnErrorGetCountry(Exception exception, string pathFormat, string path, string country)
+        private void OnErrorGetCountryDefaultImplementation(Exception exception, string pathFormat, string path, string country)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetCountry(exception, pathFormat, path, country);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="country"></param>
+        partial void OnErrorGetCountry(Exception exception, string pathFormat, string path, string country);
+
         /// <summary>
         ///  
         /// </summary>
@@ -368,13 +393,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/country", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/country", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetCountry(apiResponseLocalVar, country);
+                        AfterGetCountryDefaultImplementation(apiResponseLocalVar, country);
 
                         return apiResponseLocalVar;
                     }
@@ -382,7 +405,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetCountry(e, "/country", uriBuilderLocalVar.Path, country);
+                OnErrorGetCountryDefaultImplementation(e, "/country", uriBuilderLocalVar.Path, country);
                 throw;
             }
         }
@@ -391,21 +414,38 @@ namespace Org.OpenAPITools.Api
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterHello(ApiResponse<List<Guid>> apiResponseLocalVar)
+        private void AfterHelloDefaultImplementation(ApiResponse<List<Guid>> apiResponseLocalVar)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterHello(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        partial void AfterHello(ApiResponse<List<Guid>> apiResponseLocalVar);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorHello(Exception exception, string pathFormat, string path)
+        private void OnErrorHelloDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorHello(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorHello(Exception exception, string pathFormat, string path);
+
         /// <summary>
         /// Hello Hello
         /// </summary>
@@ -459,13 +499,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/hello", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<List<Guid>> apiResponseLocalVar = new ApiResponse<List<Guid>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<List<Guid>> apiResponseLocalVar = new ApiResponse<List<Guid>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/hello", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterHello(apiResponseLocalVar);
+                        AfterHelloDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -473,7 +511,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorHello(e, "/hello", uriBuilderLocalVar.Path);
+                OnErrorHelloDefaultImplementation(e, "/hello", uriBuilderLocalVar.Path);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Api/FakeClassnameTags123Api.cs

@@ -117,15 +117,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatTestClassname(ModelClient modelClient);
 
         /// <summary>
@@ -150,22 +141,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="modelClient"></param>
-        protected virtual void AfterTestClassname(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
+        private void AfterTestClassnameDefaultImplementation(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterTestClassname(apiResponseLocalVar, modelClient);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="modelClient"></param>
+        partial void AfterTestClassname(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="modelClient"></param>
-        protected virtual void OnErrorTestClassname(Exception exception, string pathFormat, string path, ModelClient modelClient)
+        private void OnErrorTestClassnameDefaultImplementation(Exception exception, string pathFormat, string path, ModelClient modelClient)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorTestClassname(exception, pathFormat, path, modelClient);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="modelClient"></param>
+        partial void OnErrorTestClassname(Exception exception, string pathFormat, string path, ModelClient modelClient);
+
         /// <summary>
         /// To test class name in snake case To test class name in snake case
         /// </summary>
@@ -249,13 +259,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/fake_classname_test", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/fake_classname_test", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterTestClassname(apiResponseLocalVar, modelClient);
+                        AfterTestClassnameDefaultImplementation(apiResponseLocalVar, modelClient);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -267,7 +275,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorTestClassname(e, "/fake_classname_test", uriBuilderLocalVar.Path, modelClient);
+                OnErrorTestClassnameDefaultImplementation(e, "/fake_classname_test", uriBuilderLocalVar.Path, modelClient);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Api/PetApi.cs

@@ -315,15 +315,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatAddPet(Pet pet);
 
         /// <summary>
@@ -348,22 +339,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="pet"></param>
-        protected virtual void AfterAddPet(ApiResponse<object> apiResponseLocalVar, Pet pet)
+        private void AfterAddPetDefaultImplementation(ApiResponse<object> apiResponseLocalVar, Pet pet)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterAddPet(apiResponseLocalVar, pet);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="pet"></param>
+        partial void AfterAddPet(ApiResponse<object> apiResponseLocalVar, Pet pet);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="pet"></param>
-        protected virtual void OnErrorAddPet(Exception exception, string pathFormat, string path, Pet pet)
+        private void OnErrorAddPetDefaultImplementation(Exception exception, string pathFormat, string path, Pet pet)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorAddPet(exception, pathFormat, path, pet);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="pet"></param>
+        partial void OnErrorAddPet(Exception exception, string pathFormat, string path, Pet pet);
+
         /// <summary>
         /// Add a new pet to the store 
         /// </summary>
@@ -444,13 +454,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterAddPet(apiResponseLocalVar, pet);
+                        AfterAddPetDefaultImplementation(apiResponseLocalVar, pet);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -466,7 +474,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorAddPet(e, "/pet", uriBuilderLocalVar.Path, pet);
+                OnErrorAddPetDefaultImplementation(e, "/pet", uriBuilderLocalVar.Path, pet);
                 throw;
             }
         }
@@ -496,23 +504,44 @@ namespace Org.OpenAPITools.Api
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="petId"></param>
         /// <param name="apiKey"></param>
-        protected virtual void AfterDeletePet(ApiResponse<object> apiResponseLocalVar, long petId, string apiKey)
+        private void AfterDeletePetDefaultImplementation(ApiResponse<object> apiResponseLocalVar, long petId, string apiKey)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterDeletePet(apiResponseLocalVar, petId, apiKey);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        /// <param name="apiKey"></param>
+        partial void AfterDeletePet(ApiResponse<object> apiResponseLocalVar, long petId, string apiKey);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
         /// <param name="apiKey"></param>
-        protected virtual void OnErrorDeletePet(Exception exception, string pathFormat, string path, long petId, string apiKey)
+        private void OnErrorDeletePetDefaultImplementation(Exception exception, string pathFormat, string path, long petId, string apiKey)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorDeletePet(exception, pathFormat, path, petId, apiKey);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        /// <param name="apiKey"></param>
+        partial void OnErrorDeletePet(Exception exception, string pathFormat, string path, long petId, string apiKey);
+
         /// <summary>
         /// Deletes a pet 
         /// </summary>
@@ -577,13 +606,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterDeletePet(apiResponseLocalVar, petId, apiKey);
+                        AfterDeletePetDefaultImplementation(apiResponseLocalVar, petId, apiKey);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -595,7 +622,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorDeletePet(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, apiKey);
+                OnErrorDeletePetDefaultImplementation(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, apiKey);
                 throw;
             }
         }
@@ -624,22 +651,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="status"></param>
-        protected virtual void AfterFindPetsByStatus(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> status)
+        private void AfterFindPetsByStatusDefaultImplementation(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> status)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterFindPetsByStatus(apiResponseLocalVar, status);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="status"></param>
+        partial void AfterFindPetsByStatus(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> status);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="status"></param>
-        protected virtual void OnErrorFindPetsByStatus(Exception exception, string pathFormat, string path, List<string> status)
+        private void OnErrorFindPetsByStatusDefaultImplementation(Exception exception, string pathFormat, string path, List<string> status)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorFindPetsByStatus(exception, pathFormat, path, status);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="status"></param>
+        partial void OnErrorFindPetsByStatus(Exception exception, string pathFormat, string path, List<string> status);
+
         /// <summary>
         /// Finds Pets by status Multiple status values can be provided with comma separated strings
         /// </summary>
@@ -722,13 +768,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/findByStatus", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/findByStatus", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterFindPetsByStatus(apiResponseLocalVar, status);
+                        AfterFindPetsByStatusDefaultImplementation(apiResponseLocalVar, status);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -744,7 +788,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorFindPetsByStatus(e, "/pet/findByStatus", uriBuilderLocalVar.Path, status);
+                OnErrorFindPetsByStatusDefaultImplementation(e, "/pet/findByStatus", uriBuilderLocalVar.Path, status);
                 throw;
             }
         }
@@ -773,22 +817,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="tags"></param>
-        protected virtual void AfterFindPetsByTags(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> tags)
+        private void AfterFindPetsByTagsDefaultImplementation(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> tags)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterFindPetsByTags(apiResponseLocalVar, tags);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="tags"></param>
+        partial void AfterFindPetsByTags(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> tags);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="tags"></param>
-        protected virtual void OnErrorFindPetsByTags(Exception exception, string pathFormat, string path, List<string> tags)
+        private void OnErrorFindPetsByTagsDefaultImplementation(Exception exception, string pathFormat, string path, List<string> tags)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorFindPetsByTags(exception, pathFormat, path, tags);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="tags"></param>
+        partial void OnErrorFindPetsByTags(Exception exception, string pathFormat, string path, List<string> tags);
+
         /// <summary>
         /// Finds Pets by tags Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
         /// </summary>
@@ -871,13 +934,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/findByTags", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/findByTags", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterFindPetsByTags(apiResponseLocalVar, tags);
+                        AfterFindPetsByTagsDefaultImplementation(apiResponseLocalVar, tags);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -893,7 +954,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorFindPetsByTags(e, "/pet/findByTags", uriBuilderLocalVar.Path, tags);
+                OnErrorFindPetsByTagsDefaultImplementation(e, "/pet/findByTags", uriBuilderLocalVar.Path, tags);
                 throw;
             }
         }
@@ -922,22 +983,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="petId"></param>
-        protected virtual void AfterGetPetById(ApiResponse<Pet> apiResponseLocalVar, long petId)
+        private void AfterGetPetByIdDefaultImplementation(ApiResponse<Pet> apiResponseLocalVar, long petId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetPetById(apiResponseLocalVar, petId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        partial void AfterGetPetById(ApiResponse<Pet> apiResponseLocalVar, long petId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
-        protected virtual void OnErrorGetPetById(Exception exception, string pathFormat, string path, long petId)
+        private void OnErrorGetPetByIdDefaultImplementation(Exception exception, string pathFormat, string path, long petId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetPetById(exception, pathFormat, path, petId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        partial void OnErrorGetPetById(Exception exception, string pathFormat, string path, long petId);
+
         /// <summary>
         /// Find pet by ID Returns a single pet
         /// </summary>
@@ -1007,13 +1087,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Pet> apiResponseLocalVar = new ApiResponse<Pet>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Pet> apiResponseLocalVar = new ApiResponse<Pet>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetPetById(apiResponseLocalVar, petId);
+                        AfterGetPetByIdDefaultImplementation(apiResponseLocalVar, petId);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1025,7 +1103,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetPetById(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId);
+                OnErrorGetPetByIdDefaultImplementation(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId);
                 throw;
             }
         }
@@ -1054,22 +1132,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="pet"></param>
-        protected virtual void AfterUpdatePet(ApiResponse<object> apiResponseLocalVar, Pet pet)
+        private void AfterUpdatePetDefaultImplementation(ApiResponse<object> apiResponseLocalVar, Pet pet)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUpdatePet(apiResponseLocalVar, pet);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="pet"></param>
+        partial void AfterUpdatePet(ApiResponse<object> apiResponseLocalVar, Pet pet);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="pet"></param>
-        protected virtual void OnErrorUpdatePet(Exception exception, string pathFormat, string path, Pet pet)
+        private void OnErrorUpdatePetDefaultImplementation(Exception exception, string pathFormat, string path, Pet pet)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUpdatePet(exception, pathFormat, path, pet);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="pet"></param>
+        partial void OnErrorUpdatePet(Exception exception, string pathFormat, string path, Pet pet);
+
         /// <summary>
         /// Update an existing pet 
         /// </summary>
@@ -1150,13 +1247,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUpdatePet(apiResponseLocalVar, pet);
+                        AfterUpdatePetDefaultImplementation(apiResponseLocalVar, pet);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1172,7 +1267,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUpdatePet(e, "/pet", uriBuilderLocalVar.Path, pet);
+                OnErrorUpdatePetDefaultImplementation(e, "/pet", uriBuilderLocalVar.Path, pet);
                 throw;
             }
         }
@@ -1203,24 +1298,47 @@ namespace Org.OpenAPITools.Api
         /// <param name="petId"></param>
         /// <param name="name"></param>
         /// <param name="status"></param>
-        protected virtual void AfterUpdatePetWithForm(ApiResponse<object> apiResponseLocalVar, long petId, string name, string status)
+        private void AfterUpdatePetWithFormDefaultImplementation(ApiResponse<object> apiResponseLocalVar, long petId, string name, string status)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUpdatePetWithForm(apiResponseLocalVar, petId, name, status);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        /// <param name="name"></param>
+        /// <param name="status"></param>
+        partial void AfterUpdatePetWithForm(ApiResponse<object> apiResponseLocalVar, long petId, string name, string status);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
         /// <param name="name"></param>
         /// <param name="status"></param>
-        protected virtual void OnErrorUpdatePetWithForm(Exception exception, string pathFormat, string path, long petId, string name, string status)
+        private void OnErrorUpdatePetWithFormDefaultImplementation(Exception exception, string pathFormat, string path, long petId, string name, string status)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUpdatePetWithForm(exception, pathFormat, path, petId, name, status);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        /// <param name="name"></param>
+        /// <param name="status"></param>
+        partial void OnErrorUpdatePetWithForm(Exception exception, string pathFormat, string path, long petId, string name, string status);
+
         /// <summary>
         /// Updates a pet in the store with form data 
         /// </summary>
@@ -1305,13 +1423,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUpdatePetWithForm(apiResponseLocalVar, petId, name, status);
+                        AfterUpdatePetWithFormDefaultImplementation(apiResponseLocalVar, petId, name, status);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1323,7 +1439,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUpdatePetWithForm(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, name, status);
+                OnErrorUpdatePetWithFormDefaultImplementation(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, name, status);
                 throw;
             }
         }
@@ -1354,24 +1470,47 @@ namespace Org.OpenAPITools.Api
         /// <param name="petId"></param>
         /// <param name="file"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void AfterUploadFile(ApiResponse<ApiResponse> apiResponseLocalVar, long petId, System.IO.Stream file, string additionalMetadata)
+        private void AfterUploadFileDefaultImplementation(ApiResponse<ApiResponse> apiResponseLocalVar, long petId, System.IO.Stream file, string additionalMetadata)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUploadFile(apiResponseLocalVar, petId, file, additionalMetadata);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        /// <param name="file"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void AfterUploadFile(ApiResponse<ApiResponse> apiResponseLocalVar, long petId, System.IO.Stream file, string additionalMetadata);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
         /// <param name="file"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void OnErrorUploadFile(Exception exception, string pathFormat, string path, long petId, System.IO.Stream file, string additionalMetadata)
+        private void OnErrorUploadFileDefaultImplementation(Exception exception, string pathFormat, string path, long petId, System.IO.Stream file, string additionalMetadata)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUploadFile(exception, pathFormat, path, petId, file, additionalMetadata);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        /// <param name="file"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void OnErrorUploadFile(Exception exception, string pathFormat, string path, long petId, System.IO.Stream file, string additionalMetadata);
+
         /// <summary>
         /// uploads an image 
         /// </summary>
@@ -1465,13 +1604,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}/uploadImage", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}/uploadImage", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUploadFile(apiResponseLocalVar, petId, file, additionalMetadata);
+                        AfterUploadFileDefaultImplementation(apiResponseLocalVar, petId, file, additionalMetadata);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1483,7 +1620,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUploadFile(e, "/pet/{petId}/uploadImage", uriBuilderLocalVar.Path, petId, file, additionalMetadata);
+                OnErrorUploadFileDefaultImplementation(e, "/pet/{petId}/uploadImage", uriBuilderLocalVar.Path, petId, file, additionalMetadata);
                 throw;
             }
         }
@@ -1518,24 +1655,47 @@ namespace Org.OpenAPITools.Api
         /// <param name="requiredFile"></param>
         /// <param name="petId"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void AfterUploadFileWithRequiredFile(ApiResponse<ApiResponse> apiResponseLocalVar, System.IO.Stream requiredFile, long petId, string additionalMetadata)
+        private void AfterUploadFileWithRequiredFileDefaultImplementation(ApiResponse<ApiResponse> apiResponseLocalVar, System.IO.Stream requiredFile, long petId, string additionalMetadata)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUploadFileWithRequiredFile(apiResponseLocalVar, requiredFile, petId, additionalMetadata);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="requiredFile"></param>
+        /// <param name="petId"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void AfterUploadFileWithRequiredFile(ApiResponse<ApiResponse> apiResponseLocalVar, System.IO.Stream requiredFile, long petId, string additionalMetadata);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="requiredFile"></param>
         /// <param name="petId"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void OnErrorUploadFileWithRequiredFile(Exception exception, string pathFormat, string path, System.IO.Stream requiredFile, long petId, string additionalMetadata)
+        private void OnErrorUploadFileWithRequiredFileDefaultImplementation(Exception exception, string pathFormat, string path, System.IO.Stream requiredFile, long petId, string additionalMetadata)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUploadFileWithRequiredFile(exception, pathFormat, path, requiredFile, petId, additionalMetadata);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="requiredFile"></param>
+        /// <param name="petId"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void OnErrorUploadFileWithRequiredFile(Exception exception, string pathFormat, string path, System.IO.Stream requiredFile, long petId, string additionalMetadata);
+
         /// <summary>
         /// uploads an image (required) 
         /// </summary>
@@ -1629,13 +1789,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/fake/{petId}/uploadImageWithRequiredFile", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/fake/{petId}/uploadImageWithRequiredFile", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUploadFileWithRequiredFile(apiResponseLocalVar, requiredFile, petId, additionalMetadata);
+                        AfterUploadFileWithRequiredFileDefaultImplementation(apiResponseLocalVar, requiredFile, petId, additionalMetadata);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1647,7 +1805,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUploadFileWithRequiredFile(e, "/fake/{petId}/uploadImageWithRequiredFile", uriBuilderLocalVar.Path, requiredFile, petId, additionalMetadata);
+                OnErrorUploadFileWithRequiredFileDefaultImplementation(e, "/fake/{petId}/uploadImageWithRequiredFile", uriBuilderLocalVar.Path, requiredFile, petId, additionalMetadata);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Api/StoreApi.cs

@@ -184,15 +184,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatDeleteOrder(ref string orderId);
 
         /// <summary>
@@ -217,22 +208,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="orderId"></param>
-        protected virtual void AfterDeleteOrder(ApiResponse<object> apiResponseLocalVar, string orderId)
+        private void AfterDeleteOrderDefaultImplementation(ApiResponse<object> apiResponseLocalVar, string orderId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterDeleteOrder(apiResponseLocalVar, orderId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="orderId"></param>
+        partial void AfterDeleteOrder(ApiResponse<object> apiResponseLocalVar, string orderId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="orderId"></param>
-        protected virtual void OnErrorDeleteOrder(Exception exception, string pathFormat, string path, string orderId)
+        private void OnErrorDeleteOrderDefaultImplementation(Exception exception, string pathFormat, string path, string orderId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorDeleteOrder(exception, pathFormat, path, orderId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="orderId"></param>
+        partial void OnErrorDeleteOrder(Exception exception, string pathFormat, string path, string orderId);
+
         /// <summary>
         /// Delete purchase order by ID For valid response try integer IDs with value &lt; 1000. Anything above 1000 or nonintegers will generate API errors
         /// </summary>
@@ -284,13 +294,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/order/{order_id}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/order/{order_id}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterDeleteOrder(apiResponseLocalVar, orderId);
+                        AfterDeleteOrderDefaultImplementation(apiResponseLocalVar, orderId);
 
                         return apiResponseLocalVar;
                     }
@@ -298,7 +306,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorDeleteOrder(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
+                OnErrorDeleteOrderDefaultImplementation(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
                 throw;
             }
         }
@@ -307,21 +315,38 @@ namespace Org.OpenAPITools.Api
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterGetInventory(ApiResponse<Dictionary<string, int>> apiResponseLocalVar)
+        private void AfterGetInventoryDefaultImplementation(ApiResponse<Dictionary<string, int>> apiResponseLocalVar)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetInventory(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        partial void AfterGetInventory(ApiResponse<Dictionary<string, int>> apiResponseLocalVar);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorGetInventory(Exception exception, string pathFormat, string path)
+        private void OnErrorGetInventoryDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetInventory(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorGetInventory(Exception exception, string pathFormat, string path);
+
         /// <summary>
         /// Returns pet inventories by status Returns a map of status codes to quantities
         /// </summary>
@@ -383,13 +408,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/inventory", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Dictionary<string, int>> apiResponseLocalVar = new ApiResponse<Dictionary<string, int>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Dictionary<string, int>> apiResponseLocalVar = new ApiResponse<Dictionary<string, int>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/inventory", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetInventory(apiResponseLocalVar);
+                        AfterGetInventoryDefaultImplementation(apiResponseLocalVar);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -401,7 +424,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetInventory(e, "/store/inventory", uriBuilderLocalVar.Path);
+                OnErrorGetInventoryDefaultImplementation(e, "/store/inventory", uriBuilderLocalVar.Path);
                 throw;
             }
         }
@@ -430,22 +453,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="orderId"></param>
-        protected virtual void AfterGetOrderById(ApiResponse<Order> apiResponseLocalVar, long orderId)
+        private void AfterGetOrderByIdDefaultImplementation(ApiResponse<Order> apiResponseLocalVar, long orderId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetOrderById(apiResponseLocalVar, orderId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="orderId"></param>
+        partial void AfterGetOrderById(ApiResponse<Order> apiResponseLocalVar, long orderId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="orderId"></param>
-        protected virtual void OnErrorGetOrderById(Exception exception, string pathFormat, string path, long orderId)
+        private void OnErrorGetOrderByIdDefaultImplementation(Exception exception, string pathFormat, string path, long orderId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetOrderById(exception, pathFormat, path, orderId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="orderId"></param>
+        partial void OnErrorGetOrderById(Exception exception, string pathFormat, string path, long orderId);
+
         /// <summary>
         /// Find purchase order by ID For valid response try integer IDs with value &lt;&#x3D; 5 or &gt; 10. Other values will generate exceptions
         /// </summary>
@@ -507,13 +549,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/order/{order_id}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/order/{order_id}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetOrderById(apiResponseLocalVar, orderId);
+                        AfterGetOrderByIdDefaultImplementation(apiResponseLocalVar, orderId);
 
                         return apiResponseLocalVar;
                     }
@@ -521,7 +561,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetOrderById(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
+                OnErrorGetOrderByIdDefaultImplementation(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
                 throw;
             }
         }
@@ -550,22 +590,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="order"></param>
-        protected virtual void AfterPlaceOrder(ApiResponse<Order> apiResponseLocalVar, Order order)
+        private void AfterPlaceOrderDefaultImplementation(ApiResponse<Order> apiResponseLocalVar, Order order)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterPlaceOrder(apiResponseLocalVar, order);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="order"></param>
+        partial void AfterPlaceOrder(ApiResponse<Order> apiResponseLocalVar, Order order);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="order"></param>
-        protected virtual void OnErrorPlaceOrder(Exception exception, string pathFormat, string path, Order order)
+        private void OnErrorPlaceOrderDefaultImplementation(Exception exception, string pathFormat, string path, Order order)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorPlaceOrder(exception, pathFormat, path, order);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="order"></param>
+        partial void OnErrorPlaceOrder(Exception exception, string pathFormat, string path, Order order);
+
         /// <summary>
         /// Place an order for a pet 
         /// </summary>
@@ -639,13 +698,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/order", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/order", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterPlaceOrder(apiResponseLocalVar, order);
+                        AfterPlaceOrderDefaultImplementation(apiResponseLocalVar, order);
 
                         return apiResponseLocalVar;
                     }
@@ -653,7 +710,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorPlaceOrder(e, "/store/order", uriBuilderLocalVar.Path, order);
+                OnErrorPlaceOrderDefaultImplementation(e, "/store/order", uriBuilderLocalVar.Path, order);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Api/UserApi.cs

@@ -280,15 +280,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatCreateUser(User user);
 
         /// <summary>
@@ -313,22 +304,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
-        protected virtual void AfterCreateUser(ApiResponse<object> apiResponseLocalVar, User user)
+        private void AfterCreateUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar, User user)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCreateUser(apiResponseLocalVar, user);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        partial void AfterCreateUser(ApiResponse<object> apiResponseLocalVar, User user);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
-        protected virtual void OnErrorCreateUser(Exception exception, string pathFormat, string path, User user)
+        private void OnErrorCreateUserDefaultImplementation(Exception exception, string pathFormat, string path, User user)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCreateUser(exception, pathFormat, path, user);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        partial void OnErrorCreateUser(Exception exception, string pathFormat, string path, User user);
+
         /// <summary>
         /// Create user This can only be done by the logged in user.
         /// </summary>
@@ -392,13 +402,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCreateUser(apiResponseLocalVar, user);
+                        AfterCreateUserDefaultImplementation(apiResponseLocalVar, user);
 
                         return apiResponseLocalVar;
                     }
@@ -406,7 +414,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCreateUser(e, "/user", uriBuilderLocalVar.Path, user);
+                OnErrorCreateUserDefaultImplementation(e, "/user", uriBuilderLocalVar.Path, user);
                 throw;
             }
         }
@@ -435,22 +443,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
-        protected virtual void AfterCreateUsersWithArrayInput(ApiResponse<object> apiResponseLocalVar, List<User> user)
+        private void AfterCreateUsersWithArrayInputDefaultImplementation(ApiResponse<object> apiResponseLocalVar, List<User> user)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCreateUsersWithArrayInput(apiResponseLocalVar, user);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        partial void AfterCreateUsersWithArrayInput(ApiResponse<object> apiResponseLocalVar, List<User> user);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
-        protected virtual void OnErrorCreateUsersWithArrayInput(Exception exception, string pathFormat, string path, List<User> user)
+        private void OnErrorCreateUsersWithArrayInputDefaultImplementation(Exception exception, string pathFormat, string path, List<User> user)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCreateUsersWithArrayInput(exception, pathFormat, path, user);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        partial void OnErrorCreateUsersWithArrayInput(Exception exception, string pathFormat, string path, List<User> user);
+
         /// <summary>
         /// Creates list of users with given input array 
         /// </summary>
@@ -514,13 +541,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/createWithArray", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/createWithArray", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCreateUsersWithArrayInput(apiResponseLocalVar, user);
+                        AfterCreateUsersWithArrayInputDefaultImplementation(apiResponseLocalVar, user);
 
                         return apiResponseLocalVar;
                     }
@@ -528,7 +553,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCreateUsersWithArrayInput(e, "/user/createWithArray", uriBuilderLocalVar.Path, user);
+                OnErrorCreateUsersWithArrayInputDefaultImplementation(e, "/user/createWithArray", uriBuilderLocalVar.Path, user);
                 throw;
             }
         }
@@ -557,22 +582,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
-        protected virtual void AfterCreateUsersWithListInput(ApiResponse<object> apiResponseLocalVar, List<User> user)
+        private void AfterCreateUsersWithListInputDefaultImplementation(ApiResponse<object> apiResponseLocalVar, List<User> user)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCreateUsersWithListInput(apiResponseLocalVar, user);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        partial void AfterCreateUsersWithListInput(ApiResponse<object> apiResponseLocalVar, List<User> user);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
-        protected virtual void OnErrorCreateUsersWithListInput(Exception exception, string pathFormat, string path, List<User> user)
+        private void OnErrorCreateUsersWithListInputDefaultImplementation(Exception exception, string pathFormat, string path, List<User> user)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCreateUsersWithListInput(exception, pathFormat, path, user);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        partial void OnErrorCreateUsersWithListInput(Exception exception, string pathFormat, string path, List<User> user);
+
         /// <summary>
         /// Creates list of users with given input array 
         /// </summary>
@@ -636,13 +680,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/createWithList", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/createWithList", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCreateUsersWithListInput(apiResponseLocalVar, user);
+                        AfterCreateUsersWithListInputDefaultImplementation(apiResponseLocalVar, user);
 
                         return apiResponseLocalVar;
                     }
@@ -650,7 +692,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCreateUsersWithListInput(e, "/user/createWithList", uriBuilderLocalVar.Path, user);
+                OnErrorCreateUsersWithListInputDefaultImplementation(e, "/user/createWithList", uriBuilderLocalVar.Path, user);
                 throw;
             }
         }
@@ -679,22 +721,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="username"></param>
-        protected virtual void AfterDeleteUser(ApiResponse<object> apiResponseLocalVar, string username)
+        private void AfterDeleteUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar, string username)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterDeleteUser(apiResponseLocalVar, username);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="username"></param>
+        partial void AfterDeleteUser(ApiResponse<object> apiResponseLocalVar, string username);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="username"></param>
-        protected virtual void OnErrorDeleteUser(Exception exception, string pathFormat, string path, string username)
+        private void OnErrorDeleteUserDefaultImplementation(Exception exception, string pathFormat, string path, string username)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorDeleteUser(exception, pathFormat, path, username);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="username"></param>
+        partial void OnErrorDeleteUser(Exception exception, string pathFormat, string path, string username);
+
         /// <summary>
         /// Delete user This can only be done by the logged in user.
         /// </summary>
@@ -746,13 +807,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/{username}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/{username}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterDeleteUser(apiResponseLocalVar, username);
+                        AfterDeleteUserDefaultImplementation(apiResponseLocalVar, username);
 
                         return apiResponseLocalVar;
                     }
@@ -760,7 +819,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorDeleteUser(e, "/user/{username}", uriBuilderLocalVar.Path, username);
+                OnErrorDeleteUserDefaultImplementation(e, "/user/{username}", uriBuilderLocalVar.Path, username);
                 throw;
             }
         }
@@ -789,22 +848,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="username"></param>
-        protected virtual void AfterGetUserByName(ApiResponse<User> apiResponseLocalVar, string username)
+        private void AfterGetUserByNameDefaultImplementation(ApiResponse<User> apiResponseLocalVar, string username)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetUserByName(apiResponseLocalVar, username);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="username"></param>
+        partial void AfterGetUserByName(ApiResponse<User> apiResponseLocalVar, string username);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="username"></param>
-        protected virtual void OnErrorGetUserByName(Exception exception, string pathFormat, string path, string username)
+        private void OnErrorGetUserByNameDefaultImplementation(Exception exception, string pathFormat, string path, string username)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetUserByName(exception, pathFormat, path, username);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="username"></param>
+        partial void OnErrorGetUserByName(Exception exception, string pathFormat, string path, string username);
+
         /// <summary>
         /// Get user by user name 
         /// </summary>
@@ -866,13 +944,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/{username}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<User> apiResponseLocalVar = new ApiResponse<User>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<User> apiResponseLocalVar = new ApiResponse<User>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/{username}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetUserByName(apiResponseLocalVar, username);
+                        AfterGetUserByNameDefaultImplementation(apiResponseLocalVar, username);
 
                         return apiResponseLocalVar;
                     }
@@ -880,7 +956,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetUserByName(e, "/user/{username}", uriBuilderLocalVar.Path, username);
+                OnErrorGetUserByNameDefaultImplementation(e, "/user/{username}", uriBuilderLocalVar.Path, username);
                 throw;
             }
         }
@@ -914,23 +990,44 @@ namespace Org.OpenAPITools.Api
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="username"></param>
         /// <param name="password"></param>
-        protected virtual void AfterLoginUser(ApiResponse<string> apiResponseLocalVar, string username, string password)
+        private void AfterLoginUserDefaultImplementation(ApiResponse<string> apiResponseLocalVar, string username, string password)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterLoginUser(apiResponseLocalVar, username, password);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="username"></param>
+        /// <param name="password"></param>
+        partial void AfterLoginUser(ApiResponse<string> apiResponseLocalVar, string username, string password);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="username"></param>
         /// <param name="password"></param>
-        protected virtual void OnErrorLoginUser(Exception exception, string pathFormat, string path, string username, string password)
+        private void OnErrorLoginUserDefaultImplementation(Exception exception, string pathFormat, string path, string username, string password)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorLoginUser(exception, pathFormat, path, username, password);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="username"></param>
+        /// <param name="password"></param>
+        partial void OnErrorLoginUser(Exception exception, string pathFormat, string path, string username, string password);
+
         /// <summary>
         /// Logs user into the system 
         /// </summary>
@@ -1000,13 +1097,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/login", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<string> apiResponseLocalVar = new ApiResponse<string>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<string> apiResponseLocalVar = new ApiResponse<string>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/login", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterLoginUser(apiResponseLocalVar, username, password);
+                        AfterLoginUserDefaultImplementation(apiResponseLocalVar, username, password);
 
                         return apiResponseLocalVar;
                     }
@@ -1014,7 +1109,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorLoginUser(e, "/user/login", uriBuilderLocalVar.Path, username, password);
+                OnErrorLoginUserDefaultImplementation(e, "/user/login", uriBuilderLocalVar.Path, username, password);
                 throw;
             }
         }
@@ -1023,21 +1118,38 @@ namespace Org.OpenAPITools.Api
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterLogoutUser(ApiResponse<object> apiResponseLocalVar)
+        private void AfterLogoutUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterLogoutUser(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        partial void AfterLogoutUser(ApiResponse<object> apiResponseLocalVar);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorLogoutUser(Exception exception, string pathFormat, string path)
+        private void OnErrorLogoutUserDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorLogoutUser(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorLogoutUser(Exception exception, string pathFormat, string path);
+
         /// <summary>
         /// Logs out current logged in user session 
         /// </summary>
@@ -1082,13 +1194,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/logout", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/logout", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterLogoutUser(apiResponseLocalVar);
+                        AfterLogoutUserDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -1096,7 +1206,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorLogoutUser(e, "/user/logout", uriBuilderLocalVar.Path);
+                OnErrorLogoutUserDefaultImplementation(e, "/user/logout", uriBuilderLocalVar.Path);
                 throw;
             }
         }
@@ -1130,23 +1240,44 @@ namespace Org.OpenAPITools.Api
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
         /// <param name="username"></param>
-        protected virtual void AfterUpdateUser(ApiResponse<object> apiResponseLocalVar, User user, string username)
+        private void AfterUpdateUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar, User user, string username)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUpdateUser(apiResponseLocalVar, user, username);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        /// <param name="username"></param>
+        partial void AfterUpdateUser(ApiResponse<object> apiResponseLocalVar, User user, string username);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
         /// <param name="username"></param>
-        protected virtual void OnErrorUpdateUser(Exception exception, string pathFormat, string path, User user, string username)
+        private void OnErrorUpdateUserDefaultImplementation(Exception exception, string pathFormat, string path, User user, string username)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUpdateUser(exception, pathFormat, path, user, username);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        /// <param name="username"></param>
+        partial void OnErrorUpdateUser(Exception exception, string pathFormat, string path, User user, string username);
+
         /// <summary>
         /// Updated user This can only be done by the logged in user.
         /// </summary>
@@ -1213,13 +1344,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/{username}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/{username}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUpdateUser(apiResponseLocalVar, user, username);
+                        AfterUpdateUserDefaultImplementation(apiResponseLocalVar, user, username);
 
                         return apiResponseLocalVar;
                     }
@@ -1227,7 +1356,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUpdateUser(e, "/user/{username}", uriBuilderLocalVar.Path, user, username);
+                OnErrorUpdateUserDefaultImplementation(e, "/user/{username}", uriBuilderLocalVar.Path, user, username);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Client/ApiResponse`1.cs

@@ -32,7 +32,7 @@ namespace Org.OpenAPITools.Client
         HttpStatusCode StatusCode { get; }
 
         /// <summary>
-        /// The raw content of this response
+        /// The raw content of this response.
         /// </summary>
         string RawContent { get; }
 
@@ -40,6 +40,16 @@ namespace Org.OpenAPITools.Client
         /// The DateTime when the request was retrieved.
         /// </summary>
         DateTime DownloadedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        Uri RequestUri { get; }
     }
 
     /// <summary>
@@ -86,6 +96,21 @@ namespace Org.OpenAPITools.Client
         /// </summary>
         public DateTime DownloadedAt { get; } = DateTime.UtcNow;
 
+        /// <summary>
+        /// The DateTime when the request was sent.
+        /// </summary>
+        public DateTime RequestedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        public string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        public Uri RequestUri { get; }
+
         /// <summary>
         /// The JsonSerialzierOptions
         /// </summary>
@@ -97,14 +122,19 @@ namespace Org.OpenAPITools.Client
         /// <param name="httpRequestMessage"></param>
         /// <param name="httpResponseMessage"></param>
         /// <param name="rawContent"></param>
+        /// <param name="path"></param>
+        /// <param name="requestedAt"></param>
         /// <param name="jsonSerializerOptions"></param>
-        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
+        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, string path, DateTime requestedAt, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
         {
             StatusCode = httpResponseMessage.StatusCode;
             Headers = httpResponseMessage.Headers;
             IsSuccessStatusCode = httpResponseMessage.IsSuccessStatusCode;
             ReasonPhrase = httpResponseMessage.ReasonPhrase;
             RawContent = rawContent;
+            Path = path;
+            RequestUri = httpRequestMessage.RequestUri;
+            RequestedAt = requestedAt;
             _jsonSerializerOptions = jsonSerializerOptions;
             OnCreated(httpRequestMessage, httpResponseMessage);
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netcore-latest-allOf/src/Org.OpenAPITools/Api/DefaultApi.cs

@@ -84,15 +84,6 @@ namespace Org.OpenAPITools.Api
             HttpClient = httpClient;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatList(ref string personId);
 
         /// <summary>
@@ -117,22 +108,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="personId"></param>
-        protected virtual void AfterList(ApiResponse<Person> apiResponseLocalVar, string personId)
+        private void AfterListDefaultImplementation(ApiResponse<Person> apiResponseLocalVar, string personId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterList(apiResponseLocalVar, personId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="personId"></param>
+        partial void AfterList(ApiResponse<Person> apiResponseLocalVar, string personId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="personId"></param>
-        protected virtual void OnErrorList(Exception exception, string pathFormat, string path, string personId)
+        private void OnErrorListDefaultImplementation(Exception exception, string pathFormat, string path, string personId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorList(exception, pathFormat, path, personId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="personId"></param>
+        partial void OnErrorList(Exception exception, string pathFormat, string path, string personId);
+
         /// <summary>
         ///  
         /// </summary>
@@ -193,13 +203,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/person/display/{personId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Person> apiResponseLocalVar = new ApiResponse<Person>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Person> apiResponseLocalVar = new ApiResponse<Person>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/person/display/{personId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterList(apiResponseLocalVar, personId);
+                        AfterListDefaultImplementation(apiResponseLocalVar, personId);
 
                         return apiResponseLocalVar;
                     }
@@ -207,7 +215,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorList(e, "/person/display/{personId}", uriBuilderLocalVar.Path, personId);
+                OnErrorListDefaultImplementation(e, "/person/display/{personId}", uriBuilderLocalVar.Path, personId);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netcore-latest-allOf/src/Org.OpenAPITools/Client/ApiResponse`1.cs

@@ -34,7 +34,7 @@ namespace Org.OpenAPITools.Client
         HttpStatusCode StatusCode { get; }
 
         /// <summary>
-        /// The raw content of this response
+        /// The raw content of this response.
         /// </summary>
         string RawContent { get; }
 
@@ -42,6 +42,16 @@ namespace Org.OpenAPITools.Client
         /// The DateTime when the request was retrieved.
         /// </summary>
         DateTime DownloadedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        Uri? RequestUri { get; }
     }
 
     /// <summary>
@@ -88,6 +98,21 @@ namespace Org.OpenAPITools.Client
         /// </summary>
         public DateTime DownloadedAt { get; } = DateTime.UtcNow;
 
+        /// <summary>
+        /// The DateTime when the request was sent.
+        /// </summary>
+        public DateTime RequestedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        public string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        public Uri? RequestUri { get; }
+
         /// <summary>
         /// The JsonSerialzierOptions
         /// </summary>
@@ -99,14 +124,19 @@ namespace Org.OpenAPITools.Client
         /// <param name="httpRequestMessage"></param>
         /// <param name="httpResponseMessage"></param>
         /// <param name="rawContent"></param>
+        /// <param name="path"></param>
+        /// <param name="requestedAt"></param>
         /// <param name="jsonSerializerOptions"></param>
-        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
+        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, string path, DateTime requestedAt, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
         {
             StatusCode = httpResponseMessage.StatusCode;
             Headers = httpResponseMessage.Headers;
             IsSuccessStatusCode = httpResponseMessage.IsSuccessStatusCode;
             ReasonPhrase = httpResponseMessage.ReasonPhrase;
             RawContent = rawContent;
+            Path = path;
+            RequestUri = httpRequestMessage.RequestUri;
+            RequestedAt = requestedAt;
             _jsonSerializerOptions = jsonSerializerOptions;
             OnCreated(httpRequestMessage, httpResponseMessage);
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netcore-latest-anyOf/src/Org.OpenAPITools/Api/DefaultApi.cs

@@ -83,33 +83,41 @@ namespace Org.OpenAPITools.Api
         }
 
         /// <summary>
-        /// Logs the api response
+        /// Processes the server response
         /// </summary>
-        /// <param name="args"></param>
+        /// <param name="apiResponseLocalVar"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
+        private void AfterRootGetDefaultImplementation(ApiResponse<Fruit> apiResponseLocalVar)
         {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterRootGet(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterRootGet(ApiResponse<Fruit> apiResponseLocalVar)
+        partial void AfterRootGet(ApiResponse<Fruit> apiResponseLocalVar);
-        {
-        }
 
         /// <summary>
-        /// Processes the server response
+        /// Logs exceptions that occur while retrieving the server response
         /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorRootGet(Exception exception, string pathFormat, string path)
+        private void OnErrorRootGetDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorRootGet(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorRootGet(Exception exception, string pathFormat, string path);
+
         /// <summary>
         ///  
         /// </summary>
@@ -163,13 +171,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Fruit> apiResponseLocalVar = new ApiResponse<Fruit>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Fruit> apiResponseLocalVar = new ApiResponse<Fruit>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterRootGet(apiResponseLocalVar);
+                        AfterRootGetDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -177,7 +183,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorRootGet(e, "/", uriBuilderLocalVar.Path);
+                OnErrorRootGetDefaultImplementation(e, "/", uriBuilderLocalVar.Path);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netcore-latest-anyOf/src/Org.OpenAPITools/Client/ApiResponse`1.cs

@@ -34,7 +34,7 @@ namespace Org.OpenAPITools.Client
         HttpStatusCode StatusCode { get; }
 
         /// <summary>
-        /// The raw content of this response
+        /// The raw content of this response.
         /// </summary>
         string RawContent { get; }
 
@@ -42,6 +42,16 @@ namespace Org.OpenAPITools.Client
         /// The DateTime when the request was retrieved.
         /// </summary>
         DateTime DownloadedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        Uri? RequestUri { get; }
     }
 
     /// <summary>
@@ -88,6 +98,21 @@ namespace Org.OpenAPITools.Client
         /// </summary>
         public DateTime DownloadedAt { get; } = DateTime.UtcNow;
 
+        /// <summary>
+        /// The DateTime when the request was sent.
+        /// </summary>
+        public DateTime RequestedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        public string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        public Uri? RequestUri { get; }
+
         /// <summary>
         /// The JsonSerialzierOptions
         /// </summary>
@@ -99,14 +124,19 @@ namespace Org.OpenAPITools.Client
         /// <param name="httpRequestMessage"></param>
         /// <param name="httpResponseMessage"></param>
         /// <param name="rawContent"></param>
+        /// <param name="path"></param>
+        /// <param name="requestedAt"></param>
         /// <param name="jsonSerializerOptions"></param>
-        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
+        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, string path, DateTime requestedAt, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
         {
             StatusCode = httpResponseMessage.StatusCode;
             Headers = httpResponseMessage.Headers;
             IsSuccessStatusCode = httpResponseMessage.IsSuccessStatusCode;
             ReasonPhrase = httpResponseMessage.ReasonPhrase;
             RawContent = rawContent;
+            Path = path;
+            RequestUri = httpRequestMessage.RequestUri;
+            RequestedAt = requestedAt;
             _jsonSerializerOptions = jsonSerializerOptions;
             OnCreated(httpRequestMessage, httpResponseMessage);
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netcore-latest-oneOf/src/Org.OpenAPITools/Api/DefaultApi.cs

@@ -83,33 +83,41 @@ namespace Org.OpenAPITools.Api
         }
 
         /// <summary>
-        /// Logs the api response
+        /// Processes the server response
         /// </summary>
-        /// <param name="args"></param>
+        /// <param name="apiResponseLocalVar"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
+        private void AfterRootGetDefaultImplementation(ApiResponse<Fruit> apiResponseLocalVar)
         {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterRootGet(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterRootGet(ApiResponse<Fruit> apiResponseLocalVar)
+        partial void AfterRootGet(ApiResponse<Fruit> apiResponseLocalVar);
-        {
-        }
 
         /// <summary>
-        /// Processes the server response
+        /// Logs exceptions that occur while retrieving the server response
         /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorRootGet(Exception exception, string pathFormat, string path)
+        private void OnErrorRootGetDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorRootGet(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorRootGet(Exception exception, string pathFormat, string path);
+
         /// <summary>
         ///  
         /// </summary>
@@ -163,13 +171,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync(cancellationToken).ConfigureAwait(false);
 
-                        ApiResponse<Fruit> apiResponseLocalVar = new ApiResponse<Fruit>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Fruit> apiResponseLocalVar = new ApiResponse<Fruit>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterRootGet(apiResponseLocalVar);
+                        AfterRootGetDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -177,7 +183,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorRootGet(e, "/", uriBuilderLocalVar.Path);
+                OnErrorRootGetDefaultImplementation(e, "/", uriBuilderLocalVar.Path);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netcore-latest-oneOf/src/Org.OpenAPITools/Client/ApiResponse`1.cs

@@ -34,7 +34,7 @@ namespace Org.OpenAPITools.Client
         HttpStatusCode StatusCode { get; }
 
         /// <summary>
-        /// The raw content of this response
+        /// The raw content of this response.
         /// </summary>
         string RawContent { get; }
 
@@ -42,6 +42,16 @@ namespace Org.OpenAPITools.Client
         /// The DateTime when the request was retrieved.
         /// </summary>
         DateTime DownloadedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        Uri? RequestUri { get; }
     }
 
     /// <summary>
@@ -88,6 +98,21 @@ namespace Org.OpenAPITools.Client
         /// </summary>
         public DateTime DownloadedAt { get; } = DateTime.UtcNow;
 
+        /// <summary>
+        /// The DateTime when the request was sent.
+        /// </summary>
+        public DateTime RequestedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        public string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        public Uri? RequestUri { get; }
+
         /// <summary>
         /// The JsonSerialzierOptions
         /// </summary>
@@ -99,14 +124,19 @@ namespace Org.OpenAPITools.Client
         /// <param name="httpRequestMessage"></param>
         /// <param name="httpResponseMessage"></param>
         /// <param name="rawContent"></param>
+        /// <param name="path"></param>
+        /// <param name="requestedAt"></param>
         /// <param name="jsonSerializerOptions"></param>
-        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
+        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, string path, DateTime requestedAt, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
         {
             StatusCode = httpResponseMessage.StatusCode;
             Headers = httpResponseMessage.Headers;
             IsSuccessStatusCode = httpResponseMessage.IsSuccessStatusCode;
             ReasonPhrase = httpResponseMessage.ReasonPhrase;
             RawContent = rawContent;
+            Path = path;
+            RequestUri = httpRequestMessage.RequestUri;
+            RequestedAt = requestedAt;
             _jsonSerializerOptions = jsonSerializerOptions;
             OnCreated(httpRequestMessage, httpResponseMessage);
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Api/AnotherFakeApi.cs

@@ -117,15 +117,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatCall123TestSpecialTags(ModelClient modelClient);
 
         /// <summary>
@@ -150,22 +141,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="modelClient"></param>
-        protected virtual void AfterCall123TestSpecialTags(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
+        private void AfterCall123TestSpecialTagsDefaultImplementation(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCall123TestSpecialTags(apiResponseLocalVar, modelClient);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="modelClient"></param>
+        partial void AfterCall123TestSpecialTags(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="modelClient"></param>
-        protected virtual void OnErrorCall123TestSpecialTags(Exception exception, string pathFormat, string path, ModelClient modelClient)
+        private void OnErrorCall123TestSpecialTagsDefaultImplementation(Exception exception, string pathFormat, string path, ModelClient modelClient)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCall123TestSpecialTags(exception, pathFormat, path, modelClient);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="modelClient"></param>
+        partial void OnErrorCall123TestSpecialTags(Exception exception, string pathFormat, string path, ModelClient modelClient);
+
         /// <summary>
         /// To test special tags To test special tags and operation ID starting with number
         /// </summary>
@@ -237,13 +247,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/another-fake/dummy", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/another-fake/dummy", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCall123TestSpecialTags(apiResponseLocalVar, modelClient);
+                        AfterCall123TestSpecialTagsDefaultImplementation(apiResponseLocalVar, modelClient);
 
                         return apiResponseLocalVar;
                     }
@@ -251,7 +259,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCall123TestSpecialTags(e, "/another-fake/dummy", uriBuilderLocalVar.Path, modelClient);
+                OnErrorCall123TestSpecialTagsDefaultImplementation(e, "/another-fake/dummy", uriBuilderLocalVar.Path, modelClient);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Api/DefaultApi.cs

@@ -160,33 +160,41 @@ namespace Org.OpenAPITools.Api
         }
 
         /// <summary>
-        /// Logs the api response
+        /// Processes the server response
         /// </summary>
-        /// <param name="args"></param>
+        /// <param name="apiResponseLocalVar"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
+        private void AfterFooGetDefaultImplementation(ApiResponse<FooGetDefaultResponse> apiResponseLocalVar)
         {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterFooGet(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterFooGet(ApiResponse<FooGetDefaultResponse> apiResponseLocalVar)
+        partial void AfterFooGet(ApiResponse<FooGetDefaultResponse> apiResponseLocalVar);
-        {
-        }
 
         /// <summary>
-        /// Processes the server response
+        /// Logs exceptions that occur while retrieving the server response
         /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorFooGet(Exception exception, string pathFormat, string path)
+        private void OnErrorFooGetDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorFooGet(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorFooGet(Exception exception, string pathFormat, string path);
+
         /// <summary>
         ///  
         /// </summary>
@@ -239,13 +247,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/foo", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<FooGetDefaultResponse> apiResponseLocalVar = new ApiResponse<FooGetDefaultResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<FooGetDefaultResponse> apiResponseLocalVar = new ApiResponse<FooGetDefaultResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/foo", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterFooGet(apiResponseLocalVar);
+                        AfterFooGetDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -253,7 +259,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorFooGet(e, "/foo", uriBuilderLocalVar.Path);
+                OnErrorFooGetDefaultImplementation(e, "/foo", uriBuilderLocalVar.Path);
                 throw;
             }
         }
@@ -282,22 +288,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="country"></param>
-        protected virtual void AfterGetCountry(ApiResponse<object> apiResponseLocalVar, string country)
+        private void AfterGetCountryDefaultImplementation(ApiResponse<object> apiResponseLocalVar, string country)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetCountry(apiResponseLocalVar, country);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="country"></param>
+        partial void AfterGetCountry(ApiResponse<object> apiResponseLocalVar, string country);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="country"></param>
-        protected virtual void OnErrorGetCountry(Exception exception, string pathFormat, string path, string country)
+        private void OnErrorGetCountryDefaultImplementation(Exception exception, string pathFormat, string path, string country)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetCountry(exception, pathFormat, path, country);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="country"></param>
+        partial void OnErrorGetCountry(Exception exception, string pathFormat, string path, string country);
+
         /// <summary>
         ///  
         /// </summary>
@@ -367,13 +392,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/country", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/country", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetCountry(apiResponseLocalVar, country);
+                        AfterGetCountryDefaultImplementation(apiResponseLocalVar, country);
 
                         return apiResponseLocalVar;
                     }
@@ -381,7 +404,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetCountry(e, "/country", uriBuilderLocalVar.Path, country);
+                OnErrorGetCountryDefaultImplementation(e, "/country", uriBuilderLocalVar.Path, country);
                 throw;
             }
         }
@@ -390,21 +413,38 @@ namespace Org.OpenAPITools.Api
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterHello(ApiResponse<List<Guid>> apiResponseLocalVar)
+        private void AfterHelloDefaultImplementation(ApiResponse<List<Guid>> apiResponseLocalVar)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterHello(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        partial void AfterHello(ApiResponse<List<Guid>> apiResponseLocalVar);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorHello(Exception exception, string pathFormat, string path)
+        private void OnErrorHelloDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorHello(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorHello(Exception exception, string pathFormat, string path);
+
         /// <summary>
         /// Hello Hello
         /// </summary>
@@ -457,13 +497,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/hello", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<List<Guid>> apiResponseLocalVar = new ApiResponse<List<Guid>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<List<Guid>> apiResponseLocalVar = new ApiResponse<List<Guid>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/hello", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterHello(apiResponseLocalVar);
+                        AfterHelloDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -471,7 +509,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorHello(e, "/hello", uriBuilderLocalVar.Path);
+                OnErrorHelloDefaultImplementation(e, "/hello", uriBuilderLocalVar.Path);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Api/FakeClassnameTags123Api.cs

@@ -117,15 +117,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatTestClassname(ModelClient modelClient);
 
         /// <summary>
@@ -150,22 +141,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="modelClient"></param>
-        protected virtual void AfterTestClassname(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
+        private void AfterTestClassnameDefaultImplementation(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterTestClassname(apiResponseLocalVar, modelClient);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="modelClient"></param>
+        partial void AfterTestClassname(ApiResponse<ModelClient> apiResponseLocalVar, ModelClient modelClient);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="modelClient"></param>
-        protected virtual void OnErrorTestClassname(Exception exception, string pathFormat, string path, ModelClient modelClient)
+        private void OnErrorTestClassnameDefaultImplementation(Exception exception, string pathFormat, string path, ModelClient modelClient)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorTestClassname(exception, pathFormat, path, modelClient);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="modelClient"></param>
+        partial void OnErrorTestClassname(Exception exception, string pathFormat, string path, ModelClient modelClient);
+
         /// <summary>
         /// To test class name in snake case To test class name in snake case
         /// </summary>
@@ -248,13 +258,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/fake_classname_test", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ModelClient> apiResponseLocalVar = new ApiResponse<ModelClient>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/fake_classname_test", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterTestClassname(apiResponseLocalVar, modelClient);
+                        AfterTestClassnameDefaultImplementation(apiResponseLocalVar, modelClient);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -266,7 +274,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorTestClassname(e, "/fake_classname_test", uriBuilderLocalVar.Path, modelClient);
+                OnErrorTestClassnameDefaultImplementation(e, "/fake_classname_test", uriBuilderLocalVar.Path, modelClient);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Api/PetApi.cs

@@ -315,15 +315,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatAddPet(Pet pet);
 
         /// <summary>
@@ -348,22 +339,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="pet"></param>
-        protected virtual void AfterAddPet(ApiResponse<object> apiResponseLocalVar, Pet pet)
+        private void AfterAddPetDefaultImplementation(ApiResponse<object> apiResponseLocalVar, Pet pet)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterAddPet(apiResponseLocalVar, pet);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="pet"></param>
+        partial void AfterAddPet(ApiResponse<object> apiResponseLocalVar, Pet pet);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="pet"></param>
-        protected virtual void OnErrorAddPet(Exception exception, string pathFormat, string path, Pet pet)
+        private void OnErrorAddPetDefaultImplementation(Exception exception, string pathFormat, string path, Pet pet)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorAddPet(exception, pathFormat, path, pet);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="pet"></param>
+        partial void OnErrorAddPet(Exception exception, string pathFormat, string path, Pet pet);
+
         /// <summary>
         /// Add a new pet to the store 
         /// </summary>
@@ -444,13 +454,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterAddPet(apiResponseLocalVar, pet);
+                        AfterAddPetDefaultImplementation(apiResponseLocalVar, pet);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -466,7 +474,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorAddPet(e, "/pet", uriBuilderLocalVar.Path, pet);
+                OnErrorAddPetDefaultImplementation(e, "/pet", uriBuilderLocalVar.Path, pet);
                 throw;
             }
         }
@@ -496,23 +504,44 @@ namespace Org.OpenAPITools.Api
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="petId"></param>
         /// <param name="apiKey"></param>
-        protected virtual void AfterDeletePet(ApiResponse<object> apiResponseLocalVar, long petId, string apiKey)
+        private void AfterDeletePetDefaultImplementation(ApiResponse<object> apiResponseLocalVar, long petId, string apiKey)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterDeletePet(apiResponseLocalVar, petId, apiKey);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        /// <param name="apiKey"></param>
+        partial void AfterDeletePet(ApiResponse<object> apiResponseLocalVar, long petId, string apiKey);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
         /// <param name="apiKey"></param>
-        protected virtual void OnErrorDeletePet(Exception exception, string pathFormat, string path, long petId, string apiKey)
+        private void OnErrorDeletePetDefaultImplementation(Exception exception, string pathFormat, string path, long petId, string apiKey)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorDeletePet(exception, pathFormat, path, petId, apiKey);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        /// <param name="apiKey"></param>
+        partial void OnErrorDeletePet(Exception exception, string pathFormat, string path, long petId, string apiKey);
+
         /// <summary>
         /// Deletes a pet 
         /// </summary>
@@ -576,13 +605,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterDeletePet(apiResponseLocalVar, petId, apiKey);
+                        AfterDeletePetDefaultImplementation(apiResponseLocalVar, petId, apiKey);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -594,7 +621,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorDeletePet(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, apiKey);
+                OnErrorDeletePetDefaultImplementation(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, apiKey);
                 throw;
             }
         }
@@ -623,22 +650,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="status"></param>
-        protected virtual void AfterFindPetsByStatus(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> status)
+        private void AfterFindPetsByStatusDefaultImplementation(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> status)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterFindPetsByStatus(apiResponseLocalVar, status);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="status"></param>
+        partial void AfterFindPetsByStatus(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> status);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="status"></param>
-        protected virtual void OnErrorFindPetsByStatus(Exception exception, string pathFormat, string path, List<string> status)
+        private void OnErrorFindPetsByStatusDefaultImplementation(Exception exception, string pathFormat, string path, List<string> status)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorFindPetsByStatus(exception, pathFormat, path, status);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="status"></param>
+        partial void OnErrorFindPetsByStatus(Exception exception, string pathFormat, string path, List<string> status);
+
         /// <summary>
         /// Finds Pets by status Multiple status values can be provided with comma separated strings
         /// </summary>
@@ -720,13 +766,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/findByStatus", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/findByStatus", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterFindPetsByStatus(apiResponseLocalVar, status);
+                        AfterFindPetsByStatusDefaultImplementation(apiResponseLocalVar, status);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -742,7 +786,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorFindPetsByStatus(e, "/pet/findByStatus", uriBuilderLocalVar.Path, status);
+                OnErrorFindPetsByStatusDefaultImplementation(e, "/pet/findByStatus", uriBuilderLocalVar.Path, status);
                 throw;
             }
         }
@@ -771,22 +815,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="tags"></param>
-        protected virtual void AfterFindPetsByTags(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> tags)
+        private void AfterFindPetsByTagsDefaultImplementation(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> tags)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterFindPetsByTags(apiResponseLocalVar, tags);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="tags"></param>
+        partial void AfterFindPetsByTags(ApiResponse<List<Pet>> apiResponseLocalVar, List<string> tags);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="tags"></param>
-        protected virtual void OnErrorFindPetsByTags(Exception exception, string pathFormat, string path, List<string> tags)
+        private void OnErrorFindPetsByTagsDefaultImplementation(Exception exception, string pathFormat, string path, List<string> tags)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorFindPetsByTags(exception, pathFormat, path, tags);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="tags"></param>
+        partial void OnErrorFindPetsByTags(Exception exception, string pathFormat, string path, List<string> tags);
+
         /// <summary>
         /// Finds Pets by tags Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
         /// </summary>
@@ -868,13 +931,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/findByTags", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<List<Pet>> apiResponseLocalVar = new ApiResponse<List<Pet>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/findByTags", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterFindPetsByTags(apiResponseLocalVar, tags);
+                        AfterFindPetsByTagsDefaultImplementation(apiResponseLocalVar, tags);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -890,7 +951,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorFindPetsByTags(e, "/pet/findByTags", uriBuilderLocalVar.Path, tags);
+                OnErrorFindPetsByTagsDefaultImplementation(e, "/pet/findByTags", uriBuilderLocalVar.Path, tags);
                 throw;
             }
         }
@@ -919,22 +980,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="petId"></param>
-        protected virtual void AfterGetPetById(ApiResponse<Pet> apiResponseLocalVar, long petId)
+        private void AfterGetPetByIdDefaultImplementation(ApiResponse<Pet> apiResponseLocalVar, long petId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetPetById(apiResponseLocalVar, petId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        partial void AfterGetPetById(ApiResponse<Pet> apiResponseLocalVar, long petId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
-        protected virtual void OnErrorGetPetById(Exception exception, string pathFormat, string path, long petId)
+        private void OnErrorGetPetByIdDefaultImplementation(Exception exception, string pathFormat, string path, long petId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetPetById(exception, pathFormat, path, petId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        partial void OnErrorGetPetById(Exception exception, string pathFormat, string path, long petId);
+
         /// <summary>
         /// Find pet by ID Returns a single pet
         /// </summary>
@@ -1003,13 +1083,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<Pet> apiResponseLocalVar = new ApiResponse<Pet>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Pet> apiResponseLocalVar = new ApiResponse<Pet>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetPetById(apiResponseLocalVar, petId);
+                        AfterGetPetByIdDefaultImplementation(apiResponseLocalVar, petId);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1021,7 +1099,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetPetById(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId);
+                OnErrorGetPetByIdDefaultImplementation(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId);
                 throw;
             }
         }
@@ -1050,22 +1128,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="pet"></param>
-        protected virtual void AfterUpdatePet(ApiResponse<object> apiResponseLocalVar, Pet pet)
+        private void AfterUpdatePetDefaultImplementation(ApiResponse<object> apiResponseLocalVar, Pet pet)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUpdatePet(apiResponseLocalVar, pet);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="pet"></param>
+        partial void AfterUpdatePet(ApiResponse<object> apiResponseLocalVar, Pet pet);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="pet"></param>
-        protected virtual void OnErrorUpdatePet(Exception exception, string pathFormat, string path, Pet pet)
+        private void OnErrorUpdatePetDefaultImplementation(Exception exception, string pathFormat, string path, Pet pet)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUpdatePet(exception, pathFormat, path, pet);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="pet"></param>
+        partial void OnErrorUpdatePet(Exception exception, string pathFormat, string path, Pet pet);
+
         /// <summary>
         /// Update an existing pet 
         /// </summary>
@@ -1146,13 +1243,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUpdatePet(apiResponseLocalVar, pet);
+                        AfterUpdatePetDefaultImplementation(apiResponseLocalVar, pet);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1168,7 +1263,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUpdatePet(e, "/pet", uriBuilderLocalVar.Path, pet);
+                OnErrorUpdatePetDefaultImplementation(e, "/pet", uriBuilderLocalVar.Path, pet);
                 throw;
             }
         }
@@ -1199,24 +1294,47 @@ namespace Org.OpenAPITools.Api
         /// <param name="petId"></param>
         /// <param name="name"></param>
         /// <param name="status"></param>
-        protected virtual void AfterUpdatePetWithForm(ApiResponse<object> apiResponseLocalVar, long petId, string name, string status)
+        private void AfterUpdatePetWithFormDefaultImplementation(ApiResponse<object> apiResponseLocalVar, long petId, string name, string status)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUpdatePetWithForm(apiResponseLocalVar, petId, name, status);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        /// <param name="name"></param>
+        /// <param name="status"></param>
+        partial void AfterUpdatePetWithForm(ApiResponse<object> apiResponseLocalVar, long petId, string name, string status);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
         /// <param name="name"></param>
         /// <param name="status"></param>
-        protected virtual void OnErrorUpdatePetWithForm(Exception exception, string pathFormat, string path, long petId, string name, string status)
+        private void OnErrorUpdatePetWithFormDefaultImplementation(Exception exception, string pathFormat, string path, long petId, string name, string status)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUpdatePetWithForm(exception, pathFormat, path, petId, name, status);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        /// <param name="name"></param>
+        /// <param name="status"></param>
+        partial void OnErrorUpdatePetWithForm(Exception exception, string pathFormat, string path, long petId, string name, string status);
+
         /// <summary>
         /// Updates a pet in the store with form data 
         /// </summary>
@@ -1301,13 +1419,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUpdatePetWithForm(apiResponseLocalVar, petId, name, status);
+                        AfterUpdatePetWithFormDefaultImplementation(apiResponseLocalVar, petId, name, status);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1319,7 +1435,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUpdatePetWithForm(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, name, status);
+                OnErrorUpdatePetWithFormDefaultImplementation(e, "/pet/{petId}", uriBuilderLocalVar.Path, petId, name, status);
                 throw;
             }
         }
@@ -1350,24 +1466,47 @@ namespace Org.OpenAPITools.Api
         /// <param name="petId"></param>
         /// <param name="file"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void AfterUploadFile(ApiResponse<ApiResponse> apiResponseLocalVar, long petId, System.IO.Stream file, string additionalMetadata)
+        private void AfterUploadFileDefaultImplementation(ApiResponse<ApiResponse> apiResponseLocalVar, long petId, System.IO.Stream file, string additionalMetadata)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUploadFile(apiResponseLocalVar, petId, file, additionalMetadata);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="petId"></param>
+        /// <param name="file"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void AfterUploadFile(ApiResponse<ApiResponse> apiResponseLocalVar, long petId, System.IO.Stream file, string additionalMetadata);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="petId"></param>
         /// <param name="file"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void OnErrorUploadFile(Exception exception, string pathFormat, string path, long petId, System.IO.Stream file, string additionalMetadata)
+        private void OnErrorUploadFileDefaultImplementation(Exception exception, string pathFormat, string path, long petId, System.IO.Stream file, string additionalMetadata)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUploadFile(exception, pathFormat, path, petId, file, additionalMetadata);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="petId"></param>
+        /// <param name="file"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void OnErrorUploadFile(Exception exception, string pathFormat, string path, long petId, System.IO.Stream file, string additionalMetadata);
+
         /// <summary>
         /// uploads an image 
         /// </summary>
@@ -1460,13 +1599,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/pet/{petId}/uploadImage", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/pet/{petId}/uploadImage", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUploadFile(apiResponseLocalVar, petId, file, additionalMetadata);
+                        AfterUploadFileDefaultImplementation(apiResponseLocalVar, petId, file, additionalMetadata);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1478,7 +1615,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUploadFile(e, "/pet/{petId}/uploadImage", uriBuilderLocalVar.Path, petId, file, additionalMetadata);
+                OnErrorUploadFileDefaultImplementation(e, "/pet/{petId}/uploadImage", uriBuilderLocalVar.Path, petId, file, additionalMetadata);
                 throw;
             }
         }
@@ -1513,24 +1650,47 @@ namespace Org.OpenAPITools.Api
         /// <param name="requiredFile"></param>
         /// <param name="petId"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void AfterUploadFileWithRequiredFile(ApiResponse<ApiResponse> apiResponseLocalVar, System.IO.Stream requiredFile, long petId, string additionalMetadata)
+        private void AfterUploadFileWithRequiredFileDefaultImplementation(ApiResponse<ApiResponse> apiResponseLocalVar, System.IO.Stream requiredFile, long petId, string additionalMetadata)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUploadFileWithRequiredFile(apiResponseLocalVar, requiredFile, petId, additionalMetadata);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="requiredFile"></param>
+        /// <param name="petId"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void AfterUploadFileWithRequiredFile(ApiResponse<ApiResponse> apiResponseLocalVar, System.IO.Stream requiredFile, long petId, string additionalMetadata);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="requiredFile"></param>
         /// <param name="petId"></param>
         /// <param name="additionalMetadata"></param>
-        protected virtual void OnErrorUploadFileWithRequiredFile(Exception exception, string pathFormat, string path, System.IO.Stream requiredFile, long petId, string additionalMetadata)
+        private void OnErrorUploadFileWithRequiredFileDefaultImplementation(Exception exception, string pathFormat, string path, System.IO.Stream requiredFile, long petId, string additionalMetadata)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUploadFileWithRequiredFile(exception, pathFormat, path, requiredFile, petId, additionalMetadata);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="requiredFile"></param>
+        /// <param name="petId"></param>
+        /// <param name="additionalMetadata"></param>
+        partial void OnErrorUploadFileWithRequiredFile(Exception exception, string pathFormat, string path, System.IO.Stream requiredFile, long petId, string additionalMetadata);
+
         /// <summary>
         /// uploads an image (required) 
         /// </summary>
@@ -1623,13 +1783,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/fake/{petId}/uploadImageWithRequiredFile", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<ApiResponse> apiResponseLocalVar = new ApiResponse<ApiResponse>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/fake/{petId}/uploadImageWithRequiredFile", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUploadFileWithRequiredFile(apiResponseLocalVar, requiredFile, petId, additionalMetadata);
+                        AfterUploadFileWithRequiredFileDefaultImplementation(apiResponseLocalVar, requiredFile, petId, additionalMetadata);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -1641,7 +1799,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUploadFileWithRequiredFile(e, "/fake/{petId}/uploadImageWithRequiredFile", uriBuilderLocalVar.Path, requiredFile, petId, additionalMetadata);
+                OnErrorUploadFileWithRequiredFileDefaultImplementation(e, "/fake/{petId}/uploadImageWithRequiredFile", uriBuilderLocalVar.Path, requiredFile, petId, additionalMetadata);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Api/StoreApi.cs

@@ -184,15 +184,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatDeleteOrder(ref string orderId);
 
         /// <summary>
@@ -217,22 +208,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="orderId"></param>
-        protected virtual void AfterDeleteOrder(ApiResponse<object> apiResponseLocalVar, string orderId)
+        private void AfterDeleteOrderDefaultImplementation(ApiResponse<object> apiResponseLocalVar, string orderId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterDeleteOrder(apiResponseLocalVar, orderId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="orderId"></param>
+        partial void AfterDeleteOrder(ApiResponse<object> apiResponseLocalVar, string orderId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="orderId"></param>
-        protected virtual void OnErrorDeleteOrder(Exception exception, string pathFormat, string path, string orderId)
+        private void OnErrorDeleteOrderDefaultImplementation(Exception exception, string pathFormat, string path, string orderId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorDeleteOrder(exception, pathFormat, path, orderId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="orderId"></param>
+        partial void OnErrorDeleteOrder(Exception exception, string pathFormat, string path, string orderId);
+
         /// <summary>
         /// Delete purchase order by ID For valid response try integer IDs with value &lt; 1000. Anything above 1000 or nonintegers will generate API errors
         /// </summary>
@@ -283,13 +293,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/order/{order_id}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/order/{order_id}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterDeleteOrder(apiResponseLocalVar, orderId);
+                        AfterDeleteOrderDefaultImplementation(apiResponseLocalVar, orderId);
 
                         return apiResponseLocalVar;
                     }
@@ -297,7 +305,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorDeleteOrder(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
+                OnErrorDeleteOrderDefaultImplementation(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
                 throw;
             }
         }
@@ -306,21 +314,38 @@ namespace Org.OpenAPITools.Api
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterGetInventory(ApiResponse<Dictionary<string, int>> apiResponseLocalVar)
+        private void AfterGetInventoryDefaultImplementation(ApiResponse<Dictionary<string, int>> apiResponseLocalVar)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetInventory(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        partial void AfterGetInventory(ApiResponse<Dictionary<string, int>> apiResponseLocalVar);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorGetInventory(Exception exception, string pathFormat, string path)
+        private void OnErrorGetInventoryDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetInventory(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorGetInventory(Exception exception, string pathFormat, string path);
+
         /// <summary>
         /// Returns pet inventories by status Returns a map of status codes to quantities
         /// </summary>
@@ -381,13 +406,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/inventory", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<Dictionary<string, int>> apiResponseLocalVar = new ApiResponse<Dictionary<string, int>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Dictionary<string, int>> apiResponseLocalVar = new ApiResponse<Dictionary<string, int>>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/inventory", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetInventory(apiResponseLocalVar);
+                        AfterGetInventoryDefaultImplementation(apiResponseLocalVar);
 
                         if (apiResponseLocalVar.StatusCode == (HttpStatusCode) 429)
                             foreach(TokenBase tokenBaseLocalVar in tokenBaseLocalVars)
@@ -399,7 +422,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetInventory(e, "/store/inventory", uriBuilderLocalVar.Path);
+                OnErrorGetInventoryDefaultImplementation(e, "/store/inventory", uriBuilderLocalVar.Path);
                 throw;
             }
         }
@@ -428,22 +451,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="orderId"></param>
-        protected virtual void AfterGetOrderById(ApiResponse<Order> apiResponseLocalVar, long orderId)
+        private void AfterGetOrderByIdDefaultImplementation(ApiResponse<Order> apiResponseLocalVar, long orderId)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetOrderById(apiResponseLocalVar, orderId);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="orderId"></param>
+        partial void AfterGetOrderById(ApiResponse<Order> apiResponseLocalVar, long orderId);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="orderId"></param>
-        protected virtual void OnErrorGetOrderById(Exception exception, string pathFormat, string path, long orderId)
+        private void OnErrorGetOrderByIdDefaultImplementation(Exception exception, string pathFormat, string path, long orderId)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetOrderById(exception, pathFormat, path, orderId);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="orderId"></param>
+        partial void OnErrorGetOrderById(Exception exception, string pathFormat, string path, long orderId);
+
         /// <summary>
         /// Find purchase order by ID For valid response try integer IDs with value &lt;&#x3D; 5 or &gt; 10. Other values will generate exceptions
         /// </summary>
@@ -504,13 +546,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/order/{order_id}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/order/{order_id}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetOrderById(apiResponseLocalVar, orderId);
+                        AfterGetOrderByIdDefaultImplementation(apiResponseLocalVar, orderId);
 
                         return apiResponseLocalVar;
                     }
@@ -518,7 +558,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetOrderById(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
+                OnErrorGetOrderByIdDefaultImplementation(e, "/store/order/{order_id}", uriBuilderLocalVar.Path, orderId);
                 throw;
             }
         }
@@ -547,22 +587,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="order"></param>
-        protected virtual void AfterPlaceOrder(ApiResponse<Order> apiResponseLocalVar, Order order)
+        private void AfterPlaceOrderDefaultImplementation(ApiResponse<Order> apiResponseLocalVar, Order order)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterPlaceOrder(apiResponseLocalVar, order);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="order"></param>
+        partial void AfterPlaceOrder(ApiResponse<Order> apiResponseLocalVar, Order order);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="order"></param>
-        protected virtual void OnErrorPlaceOrder(Exception exception, string pathFormat, string path, Order order)
+        private void OnErrorPlaceOrderDefaultImplementation(Exception exception, string pathFormat, string path, Order order)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorPlaceOrder(exception, pathFormat, path, order);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="order"></param>
+        partial void OnErrorPlaceOrder(Exception exception, string pathFormat, string path, Order order);
+
         /// <summary>
         /// Place an order for a pet 
         /// </summary>
@@ -635,13 +694,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/store/order", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<Order> apiResponseLocalVar = new ApiResponse<Order>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/store/order", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterPlaceOrder(apiResponseLocalVar, order);
+                        AfterPlaceOrderDefaultImplementation(apiResponseLocalVar, order);
 
                         return apiResponseLocalVar;
                     }
@@ -649,7 +706,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorPlaceOrder(e, "/store/order", uriBuilderLocalVar.Path, order);
+                OnErrorPlaceOrderDefaultImplementation(e, "/store/order", uriBuilderLocalVar.Path, order);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Api/UserApi.cs

@@ -280,15 +280,6 @@ namespace Org.OpenAPITools.Api
             OauthTokenProvider = oauthTokenProvider;
         }
 
-        /// <summary>
-        /// Logs the api response
-        /// </summary>
-        /// <param name="args"></param>
-        protected virtual void OnApiResponded(ApiResponseEventArgs args)
-        {
-            Logger.LogInformation("{0,-9} | {1} | {3}", (args.ReceivedAt - args.RequestedAt).TotalSeconds, args.HttpStatus, args.Path);
-        }
-
         partial void FormatCreateUser(User user);
 
         /// <summary>
@@ -313,22 +304,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
-        protected virtual void AfterCreateUser(ApiResponse<object> apiResponseLocalVar, User user)
+        private void AfterCreateUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar, User user)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCreateUser(apiResponseLocalVar, user);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        partial void AfterCreateUser(ApiResponse<object> apiResponseLocalVar, User user);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
-        protected virtual void OnErrorCreateUser(Exception exception, string pathFormat, string path, User user)
+        private void OnErrorCreateUserDefaultImplementation(Exception exception, string pathFormat, string path, User user)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCreateUser(exception, pathFormat, path, user);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        partial void OnErrorCreateUser(Exception exception, string pathFormat, string path, User user);
+
         /// <summary>
         /// Create user This can only be done by the logged in user.
         /// </summary>
@@ -392,13 +402,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCreateUser(apiResponseLocalVar, user);
+                        AfterCreateUserDefaultImplementation(apiResponseLocalVar, user);
 
                         return apiResponseLocalVar;
                     }
@@ -406,7 +414,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCreateUser(e, "/user", uriBuilderLocalVar.Path, user);
+                OnErrorCreateUserDefaultImplementation(e, "/user", uriBuilderLocalVar.Path, user);
                 throw;
             }
         }
@@ -435,22 +443,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
-        protected virtual void AfterCreateUsersWithArrayInput(ApiResponse<object> apiResponseLocalVar, List<User> user)
+        private void AfterCreateUsersWithArrayInputDefaultImplementation(ApiResponse<object> apiResponseLocalVar, List<User> user)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCreateUsersWithArrayInput(apiResponseLocalVar, user);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        partial void AfterCreateUsersWithArrayInput(ApiResponse<object> apiResponseLocalVar, List<User> user);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
-        protected virtual void OnErrorCreateUsersWithArrayInput(Exception exception, string pathFormat, string path, List<User> user)
+        private void OnErrorCreateUsersWithArrayInputDefaultImplementation(Exception exception, string pathFormat, string path, List<User> user)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCreateUsersWithArrayInput(exception, pathFormat, path, user);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        partial void OnErrorCreateUsersWithArrayInput(Exception exception, string pathFormat, string path, List<User> user);
+
         /// <summary>
         /// Creates list of users with given input array 
         /// </summary>
@@ -514,13 +541,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/createWithArray", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/createWithArray", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCreateUsersWithArrayInput(apiResponseLocalVar, user);
+                        AfterCreateUsersWithArrayInputDefaultImplementation(apiResponseLocalVar, user);
 
                         return apiResponseLocalVar;
                     }
@@ -528,7 +553,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCreateUsersWithArrayInput(e, "/user/createWithArray", uriBuilderLocalVar.Path, user);
+                OnErrorCreateUsersWithArrayInputDefaultImplementation(e, "/user/createWithArray", uriBuilderLocalVar.Path, user);
                 throw;
             }
         }
@@ -557,22 +582,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
-        protected virtual void AfterCreateUsersWithListInput(ApiResponse<object> apiResponseLocalVar, List<User> user)
+        private void AfterCreateUsersWithListInputDefaultImplementation(ApiResponse<object> apiResponseLocalVar, List<User> user)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterCreateUsersWithListInput(apiResponseLocalVar, user);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        partial void AfterCreateUsersWithListInput(ApiResponse<object> apiResponseLocalVar, List<User> user);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
-        protected virtual void OnErrorCreateUsersWithListInput(Exception exception, string pathFormat, string path, List<User> user)
+        private void OnErrorCreateUsersWithListInputDefaultImplementation(Exception exception, string pathFormat, string path, List<User> user)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorCreateUsersWithListInput(exception, pathFormat, path, user);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        partial void OnErrorCreateUsersWithListInput(Exception exception, string pathFormat, string path, List<User> user);
+
         /// <summary>
         /// Creates list of users with given input array 
         /// </summary>
@@ -636,13 +680,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/createWithList", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/createWithList", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterCreateUsersWithListInput(apiResponseLocalVar, user);
+                        AfterCreateUsersWithListInputDefaultImplementation(apiResponseLocalVar, user);
 
                         return apiResponseLocalVar;
                     }
@@ -650,7 +692,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorCreateUsersWithListInput(e, "/user/createWithList", uriBuilderLocalVar.Path, user);
+                OnErrorCreateUsersWithListInputDefaultImplementation(e, "/user/createWithList", uriBuilderLocalVar.Path, user);
                 throw;
             }
         }
@@ -679,22 +721,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="username"></param>
-        protected virtual void AfterDeleteUser(ApiResponse<object> apiResponseLocalVar, string username)
+        private void AfterDeleteUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar, string username)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterDeleteUser(apiResponseLocalVar, username);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="username"></param>
+        partial void AfterDeleteUser(ApiResponse<object> apiResponseLocalVar, string username);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="username"></param>
-        protected virtual void OnErrorDeleteUser(Exception exception, string pathFormat, string path, string username)
+        private void OnErrorDeleteUserDefaultImplementation(Exception exception, string pathFormat, string path, string username)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorDeleteUser(exception, pathFormat, path, username);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="username"></param>
+        partial void OnErrorDeleteUser(Exception exception, string pathFormat, string path, string username);
+
         /// <summary>
         /// Delete user This can only be done by the logged in user.
         /// </summary>
@@ -745,13 +806,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/{username}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/{username}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterDeleteUser(apiResponseLocalVar, username);
+                        AfterDeleteUserDefaultImplementation(apiResponseLocalVar, username);
 
                         return apiResponseLocalVar;
                     }
@@ -759,7 +818,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorDeleteUser(e, "/user/{username}", uriBuilderLocalVar.Path, username);
+                OnErrorDeleteUserDefaultImplementation(e, "/user/{username}", uriBuilderLocalVar.Path, username);
                 throw;
             }
         }
@@ -788,22 +847,41 @@ namespace Org.OpenAPITools.Api
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="username"></param>
-        protected virtual void AfterGetUserByName(ApiResponse<User> apiResponseLocalVar, string username)
+        private void AfterGetUserByNameDefaultImplementation(ApiResponse<User> apiResponseLocalVar, string username)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterGetUserByName(apiResponseLocalVar, username);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="username"></param>
+        partial void AfterGetUserByName(ApiResponse<User> apiResponseLocalVar, string username);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="username"></param>
-        protected virtual void OnErrorGetUserByName(Exception exception, string pathFormat, string path, string username)
+        private void OnErrorGetUserByNameDefaultImplementation(Exception exception, string pathFormat, string path, string username)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorGetUserByName(exception, pathFormat, path, username);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="username"></param>
+        partial void OnErrorGetUserByName(Exception exception, string pathFormat, string path, string username);
+
         /// <summary>
         /// Get user by user name 
         /// </summary>
@@ -864,13 +942,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/{username}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<User> apiResponseLocalVar = new ApiResponse<User>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<User> apiResponseLocalVar = new ApiResponse<User>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/{username}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterGetUserByName(apiResponseLocalVar, username);
+                        AfterGetUserByNameDefaultImplementation(apiResponseLocalVar, username);
 
                         return apiResponseLocalVar;
                     }
@@ -878,7 +954,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorGetUserByName(e, "/user/{username}", uriBuilderLocalVar.Path, username);
+                OnErrorGetUserByNameDefaultImplementation(e, "/user/{username}", uriBuilderLocalVar.Path, username);
                 throw;
             }
         }
@@ -912,23 +988,44 @@ namespace Org.OpenAPITools.Api
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="username"></param>
         /// <param name="password"></param>
-        protected virtual void AfterLoginUser(ApiResponse<string> apiResponseLocalVar, string username, string password)
+        private void AfterLoginUserDefaultImplementation(ApiResponse<string> apiResponseLocalVar, string username, string password)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterLoginUser(apiResponseLocalVar, username, password);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="username"></param>
+        /// <param name="password"></param>
+        partial void AfterLoginUser(ApiResponse<string> apiResponseLocalVar, string username, string password);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="username"></param>
         /// <param name="password"></param>
-        protected virtual void OnErrorLoginUser(Exception exception, string pathFormat, string path, string username, string password)
+        private void OnErrorLoginUserDefaultImplementation(Exception exception, string pathFormat, string path, string username, string password)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorLoginUser(exception, pathFormat, path, username, password);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="username"></param>
+        /// <param name="password"></param>
+        partial void OnErrorLoginUser(Exception exception, string pathFormat, string path, string username, string password);
+
         /// <summary>
         /// Logs user into the system 
         /// </summary>
@@ -997,13 +1094,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/login", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<string> apiResponseLocalVar = new ApiResponse<string>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<string> apiResponseLocalVar = new ApiResponse<string>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/login", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterLoginUser(apiResponseLocalVar, username, password);
+                        AfterLoginUserDefaultImplementation(apiResponseLocalVar, username, password);
 
                         return apiResponseLocalVar;
                     }
@@ -1011,7 +1106,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorLoginUser(e, "/user/login", uriBuilderLocalVar.Path, username, password);
+                OnErrorLoginUserDefaultImplementation(e, "/user/login", uriBuilderLocalVar.Path, username, password);
                 throw;
             }
         }
@@ -1020,21 +1115,38 @@ namespace Org.OpenAPITools.Api
         /// Processes the server response
         /// </summary>
         /// <param name="apiResponseLocalVar"></param>
-        protected virtual void AfterLogoutUser(ApiResponse<object> apiResponseLocalVar)
+        private void AfterLogoutUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterLogoutUser(apiResponseLocalVar);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        partial void AfterLogoutUser(ApiResponse<object> apiResponseLocalVar);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
-        protected virtual void OnErrorLogoutUser(Exception exception, string pathFormat, string path)
+        private void OnErrorLogoutUserDefaultImplementation(Exception exception, string pathFormat, string path)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorLogoutUser(exception, pathFormat, path);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        partial void OnErrorLogoutUser(Exception exception, string pathFormat, string path);
+
         /// <summary>
         /// Logs out current logged in user session 
         /// </summary>
@@ -1078,13 +1190,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/logout", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/logout", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterLogoutUser(apiResponseLocalVar);
+                        AfterLogoutUserDefaultImplementation(apiResponseLocalVar);
 
                         return apiResponseLocalVar;
                     }
@@ -1092,7 +1202,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorLogoutUser(e, "/user/logout", uriBuilderLocalVar.Path);
+                OnErrorLogoutUserDefaultImplementation(e, "/user/logout", uriBuilderLocalVar.Path);
                 throw;
             }
         }
@@ -1126,23 +1236,44 @@ namespace Org.OpenAPITools.Api
         /// <param name="apiResponseLocalVar"></param>
         /// <param name="user"></param>
         /// <param name="username"></param>
-        protected virtual void AfterUpdateUser(ApiResponse<object> apiResponseLocalVar, User user, string username)
+        private void AfterUpdateUserDefaultImplementation(ApiResponse<object> apiResponseLocalVar, User user, string username)
         {
+            Logger.LogInformation("{0,-9} | {1} | {3}", (apiResponseLocalVar.DownloadedAt - apiResponseLocalVar.RequestedAt).TotalSeconds, apiResponseLocalVar.StatusCode, apiResponseLocalVar.Path);
+            AfterUpdateUser(apiResponseLocalVar, user, username);
         }
 
         /// <summary>
         /// Processes the server response
         /// </summary>
+        /// <param name="apiResponseLocalVar"></param>
+        /// <param name="user"></param>
+        /// <param name="username"></param>
+        partial void AfterUpdateUser(ApiResponse<object> apiResponseLocalVar, User user, string username);
+
+        /// <summary>
+        /// Logs exceptions that occur while retrieving the server response
+        /// </summary>
         /// <param name="exception"></param>
         /// <param name="pathFormat"></param>
         /// <param name="path"></param>
         /// <param name="user"></param>
         /// <param name="username"></param>
-        protected virtual void OnErrorUpdateUser(Exception exception, string pathFormat, string path, User user, string username)
+        private void OnErrorUpdateUserDefaultImplementation(Exception exception, string pathFormat, string path, User user, string username)
         {
             Logger.LogError(exception, "An error occurred while sending the request to the server.");
+            OnErrorUpdateUser(exception, pathFormat, path, user, username);
         }
 
+        /// <summary>
+        /// A partial method that gives developers a way to provide customized exception handling
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <param name="pathFormat"></param>
+        /// <param name="path"></param>
+        /// <param name="user"></param>
+        /// <param name="username"></param>
+        partial void OnErrorUpdateUser(Exception exception, string pathFormat, string path, User user, string username);
+
         /// <summary>
         /// Updated user This can only be done by the logged in user.
         /// </summary>
@@ -1209,13 +1340,11 @@ namespace Org.OpenAPITools.Api
 
                     using (HttpResponseMessage httpResponseMessageLocalVar = await HttpClient.SendAsync(httpRequestMessageLocalVar, cancellationToken).ConfigureAwait(false))
                     {
-                        OnApiResponded(new ApiResponseEventArgs(requestedAtLocalVar, DateTime.UtcNow, httpResponseMessageLocalVar.StatusCode, "/user/{username}", uriBuilderLocalVar.Path));
-
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync().ConfigureAwait(false);
 
-                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, _jsonSerializerOptions);
+                        ApiResponse<object> apiResponseLocalVar = new ApiResponse<object>(httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "/user/{username}", requestedAtLocalVar, _jsonSerializerOptions);
 
-                        AfterUpdateUser(apiResponseLocalVar, user, username);
+                        AfterUpdateUserDefaultImplementation(apiResponseLocalVar, user, username);
 
                         return apiResponseLocalVar;
                     }
@@ -1223,7 +1352,7 @@ namespace Org.OpenAPITools.Api
             }
             catch(Exception e)
             {
-                OnErrorUpdateUser(e, "/user/{username}", uriBuilderLocalVar.Path, user, username);
+                OnErrorUpdateUserDefaultImplementation(e, "/user/{username}", uriBuilderLocalVar.Path, user, username);
                 throw;
             }
         }

samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Client/ApiResponse`1.cs

@@ -32,7 +32,7 @@ namespace Org.OpenAPITools.Client
         HttpStatusCode StatusCode { get; }
 
         /// <summary>
-        /// The raw content of this response
+        /// The raw content of this response.
         /// </summary>
         string RawContent { get; }
 
@@ -40,6 +40,16 @@ namespace Org.OpenAPITools.Client
         /// The DateTime when the request was retrieved.
         /// </summary>
         DateTime DownloadedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        Uri RequestUri { get; }
     }
 
     /// <summary>
@@ -86,6 +96,21 @@ namespace Org.OpenAPITools.Client
         /// </summary>
         public DateTime DownloadedAt { get; } = DateTime.UtcNow;
 
+        /// <summary>
+        /// The DateTime when the request was sent.
+        /// </summary>
+        public DateTime RequestedAt { get; }
+
+        /// <summary>
+        /// The path used when making the request.
+        /// </summary>
+        public string Path { get; }
+
+        /// <summary>
+        /// The Uri used when making the request.
+        /// </summary>
+        public Uri RequestUri { get; }
+
         /// <summary>
         /// The JsonSerialzierOptions
         /// </summary>
@@ -97,14 +122,19 @@ namespace Org.OpenAPITools.Client
         /// <param name="httpRequestMessage"></param>
         /// <param name="httpResponseMessage"></param>
         /// <param name="rawContent"></param>
+        /// <param name="path"></param>
+        /// <param name="requestedAt"></param>
         /// <param name="jsonSerializerOptions"></param>
-        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
+        public ApiResponse(System.Net.Http.HttpRequestMessage httpRequestMessage, System.Net.Http.HttpResponseMessage httpResponseMessage, string rawContent, string path, DateTime requestedAt, System.Text.Json.JsonSerializerOptions jsonSerializerOptions)
         {
             StatusCode = httpResponseMessage.StatusCode;
             Headers = httpResponseMessage.Headers;
             IsSuccessStatusCode = httpResponseMessage.IsSuccessStatusCode;
             ReasonPhrase = httpResponseMessage.ReasonPhrase;
             RawContent = rawContent;
+            Path = path;
+            RequestUri = httpRequestMessage.RequestUri;
+            RequestedAt = requestedAt;
             _jsonSerializerOptions = jsonSerializerOptions;
             OnCreated(httpRequestMessage, httpResponseMessage);
         }