diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java
index 4281abea4fee..edc27c02f2cb 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java
@@ -521,6 +521,16 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen implements Co
             property.isMap = composedProperty.isMap;
             property.isContainer = composedProperty.isContainer;
         }
+
+        // fix incorrect data types for maps of maps
+        if (property.datatypeWithEnum.contains("List>") && property.items != null) {
+            property.datatypeWithEnum = property.datatypeWithEnum.replace("List>", property.items.datatypeWithEnum + ">");
+            property.dataType = property.datatypeWithEnum;
+        }
+        if (property.datatypeWithEnum.contains("Dictionary>") && property.items != null) {
+            property.datatypeWithEnum = property.datatypeWithEnum.replace("Dictionary>", property.items.datatypeWithEnum + ">");
+            property.dataType = property.datatypeWithEnum;
+        }
     }
 
     @Override
diff --git a/modules/openapi-generator/src/test/resources/3_0/csharp/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml b/modules/openapi-generator/src/test/resources/3_0/csharp/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
index b9e2888f551d..7695348b2088 100644
--- a/modules/openapi-generator/src/test/resources/3_0/csharp/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/csharp/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
@@ -2160,3 +2160,22 @@ components:
     StringArrayItem:
       type: string
       format: string
+    Activity:
+      description: "test map of maps"
+      type: object
+      properties:
+        activity_outputs:
+          type: object
+          additionalProperties:
+            $ref: '#/components/schemas/ActivityOutputRepresentation'
+    ActivityOutputRepresentation:
+      type: array
+      items: 
+        $ref: '#/components/schemas/ActivityOutputElementRepresentation'
+    ActivityOutputElementRepresentation:
+      type: object
+      properties:
+        prop1:
+          type: string
+        prop2:
+          type: object
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/.openapi-generator/FILES
index e99cb9be46cc..917a723fcc61 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/.openapi-generator/FILES
@@ -2,6 +2,8 @@
 Org.OpenAPITools.sln
 README.md
 appveyor.yml
+docs/Activity.md
+docs/ActivityOutputElementRepresentation.md
 docs/AdditionalPropertiesClass.md
 docs/Animal.md
 docs/AnotherFakeApi.md
@@ -116,6 +118,8 @@ src/Org.OpenAPITools/Client/OpenAPIDateConverter.cs
 src/Org.OpenAPITools/Client/RequestOptions.cs
 src/Org.OpenAPITools/Client/RetryConfiguration.cs
 src/Org.OpenAPITools/Model/AbstractOpenAPISchema.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/README.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/README.md
index fdc4b49e799d..99c92a26a6b4 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/README.md
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/README.md
@@ -147,6 +147,8 @@ Class | Method | HTTP request | Description
 <a name="documentation-for-models"></a>
 ## Documentation for Models
 
+ - [Model.Activity](docs/Activity.md)
+ - [Model.ActivityOutputElementRepresentation](docs/ActivityOutputElementRepresentation.md)
  - [Model.AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
  - [Model.Animal](docs/Animal.md)
  - [Model.ApiResponse](docs/ApiResponse.md)
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/docs/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/docs/Activity.md
new file mode 100644
index 000000000000..27a4e4571997
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/docs/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/docs/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/docs/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..21f226b39525
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/docs/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..62b70440f676
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,154 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    [DataContract(Name = "Activity")]
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs.</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>> activityOutputs = default(Dictionary<string, List<ActivityOutputElementRepresentation>>))
+        {
+            this._ActivityOutputs = activityOutputs;
+            if (this.ActivityOutputs != null)
+            {
+                this._flagActivityOutputs = true;
+            }
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [DataMember(Name = "activity_outputs", EmitDefaultValue = false)]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>> ActivityOutputs
+        {
+            get{ return _ActivityOutputs;}
+            set
+            {
+                _ActivityOutputs = value;
+                _flagActivityOutputs = true;
+            }
+        }
+        private Dictionary<string, List<ActivityOutputElementRepresentation>> _ActivityOutputs;
+        private bool _flagActivityOutputs;
+
+        /// <summary>
+        /// Returns false as ActivityOutputs should not be serialized given that it's read-only.
+        /// </summary>
+        /// <returns>false (boolean)</returns>
+        public bool ShouldSerializeActivityOutputs()
+        {
+            return _flagActivityOutputs;
+        }
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..7395af5fbf16
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-ConditionalSerialization/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,189 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    [DataContract(Name = "ActivityOutputElementRepresentation")]
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1.</param>
+        /// <param name="prop2">prop2.</param>
+        public ActivityOutputElementRepresentation(string prop1 = default(string), Object prop2 = default(Object))
+        {
+            this._Prop1 = prop1;
+            if (this.Prop1 != null)
+            {
+                this._flagProp1 = true;
+            }
+            this._Prop2 = prop2;
+            if (this.Prop2 != null)
+            {
+                this._flagProp2 = true;
+            }
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [DataMember(Name = "prop1", EmitDefaultValue = false)]
+        public string Prop1
+        {
+            get{ return _Prop1;}
+            set
+            {
+                _Prop1 = value;
+                _flagProp1 = true;
+            }
+        }
+        private string _Prop1;
+        private bool _flagProp1;
+
+        /// <summary>
+        /// Returns false as Prop1 should not be serialized given that it's read-only.
+        /// </summary>
+        /// <returns>false (boolean)</returns>
+        public bool ShouldSerializeProp1()
+        {
+            return _flagProp1;
+        }
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [DataMember(Name = "prop2", EmitDefaultValue = false)]
+        public Object Prop2
+        {
+            get{ return _Prop2;}
+            set
+            {
+                _Prop2 = value;
+                _flagProp2 = true;
+            }
+        }
+        private Object _Prop2;
+        private bool _flagProp2;
+
+        /// <summary>
+        /// Returns false as Prop2 should not be serialized given that it's read-only.
+        /// </summary>
+        /// <returns>false (boolean)</returns>
+        public bool ShouldSerializeProp2()
+        {
+            return _flagProp2;
+        }
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/.openapi-generator/FILES
index 9a99c9d18bcd..cf0f5c871be4 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/.openapi-generator/FILES
@@ -9,6 +9,8 @@ docs/apis/FakeClassnameTags123Api.md
 docs/apis/PetApi.md
 docs/apis/StoreApi.md
 docs/apis/UserApi.md
+docs/models/Activity.md
+docs/models/ActivityOutputElementRepresentation.md
 docs/models/AdditionalPropertiesClass.md
 docs/models/Animal.md
 docs/models/ApiResponse.md
@@ -115,6 +117,8 @@ src/Org.OpenAPITools/Client/RateLimitProvider`1.cs
 src/Org.OpenAPITools/Client/TokenBase.cs
 src/Org.OpenAPITools/Client/TokenContainer`1.cs
 src/Org.OpenAPITools/Client/TokenProvider`1.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/docs/models/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/docs/models/Activity.md
new file mode 100644
index 000000000000..6f69ec32545d
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/docs/models/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../../README.md#documentation-for-models) [[Back to API list]](../../README.md#documentation-for-api-endpoints) [[Back to README]](../../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/docs/models/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/docs/models/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..33d79a27692f
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/docs/models/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../../README.md#documentation-for-models) [[Back to API list]](../../README.md#documentation-for-api-endpoints) [[Back to README]](../../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..d8753f6553eb
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,121 @@
+// <auto-generated>
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+#nullable enable
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>>? activityOutputs = default)
+        {
+            ActivityOutputs = activityOutputs;
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [JsonPropertyName("activity_outputs")]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>>? ActivityOutputs { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public Dictionary<string, JsonElement> AdditionalProperties { get; set; } = new Dictionary<string, JsonElement>();
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object? input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity? input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..2cd5bb9372e9
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0-nrt/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,134 @@
+// <auto-generated>
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+#nullable enable
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1</param>
+        /// <param name="prop2">prop2</param>
+        public ActivityOutputElementRepresentation(string? prop1 = default, Object? prop2 = default)
+        {
+            Prop1 = prop1;
+            Prop2 = prop2;
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [JsonPropertyName("prop1")]
+        public string? Prop1 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [JsonPropertyName("prop2")]
+        public Object? Prop2 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public Dictionary<string, JsonElement> AdditionalProperties { get; set; } = new Dictionary<string, JsonElement>();
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object? input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation? input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/.openapi-generator/FILES
index 9a99c9d18bcd..cf0f5c871be4 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/.openapi-generator/FILES
@@ -9,6 +9,8 @@ docs/apis/FakeClassnameTags123Api.md
 docs/apis/PetApi.md
 docs/apis/StoreApi.md
 docs/apis/UserApi.md
+docs/models/Activity.md
+docs/models/ActivityOutputElementRepresentation.md
 docs/models/AdditionalPropertiesClass.md
 docs/models/Animal.md
 docs/models/ApiResponse.md
@@ -115,6 +117,8 @@ src/Org.OpenAPITools/Client/RateLimitProvider`1.cs
 src/Org.OpenAPITools/Client/TokenBase.cs
 src/Org.OpenAPITools/Client/TokenContainer`1.cs
 src/Org.OpenAPITools/Client/TokenProvider`1.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/docs/models/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/docs/models/Activity.md
new file mode 100644
index 000000000000..6f69ec32545d
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/docs/models/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../../README.md#documentation-for-models) [[Back to API list]](../../README.md#documentation-for-api-endpoints) [[Back to README]](../../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/docs/models/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/docs/models/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..33d79a27692f
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/docs/models/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../../README.md#documentation-for-models) [[Back to API list]](../../README.md#documentation-for-api-endpoints) [[Back to README]](../../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..68647a4ae15a
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,119 @@
+// <auto-generated>
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>> activityOutputs = default)
+        {
+            ActivityOutputs = activityOutputs;
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [JsonPropertyName("activity_outputs")]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>> ActivityOutputs { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public Dictionary<string, JsonElement> AdditionalProperties { get; set; } = new Dictionary<string, JsonElement>();
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..ed290bab607e
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-net6.0/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,132 @@
+// <auto-generated>
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1</param>
+        /// <param name="prop2">prop2</param>
+        public ActivityOutputElementRepresentation(string prop1 = default, Object prop2 = default)
+        {
+            Prop1 = prop1;
+            Prop2 = prop2;
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [JsonPropertyName("prop1")]
+        public string Prop1 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [JsonPropertyName("prop2")]
+        public Object Prop2 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public Dictionary<string, JsonElement> AdditionalProperties { get; set; } = new Dictionary<string, JsonElement>();
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/.openapi-generator/FILES
index 9a99c9d18bcd..cf0f5c871be4 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/.openapi-generator/FILES
@@ -9,6 +9,8 @@ docs/apis/FakeClassnameTags123Api.md
 docs/apis/PetApi.md
 docs/apis/StoreApi.md
 docs/apis/UserApi.md
+docs/models/Activity.md
+docs/models/ActivityOutputElementRepresentation.md
 docs/models/AdditionalPropertiesClass.md
 docs/models/Animal.md
 docs/models/ApiResponse.md
@@ -115,6 +117,8 @@ src/Org.OpenAPITools/Client/RateLimitProvider`1.cs
 src/Org.OpenAPITools/Client/TokenBase.cs
 src/Org.OpenAPITools/Client/TokenContainer`1.cs
 src/Org.OpenAPITools/Client/TokenProvider`1.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/docs/models/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/docs/models/Activity.md
new file mode 100644
index 000000000000..6f69ec32545d
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/docs/models/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../../README.md#documentation-for-models) [[Back to API list]](../../README.md#documentation-for-api-endpoints) [[Back to README]](../../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/docs/models/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/docs/models/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..33d79a27692f
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/docs/models/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../../README.md#documentation-for-models) [[Back to API list]](../../README.md#documentation-for-api-endpoints) [[Back to README]](../../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..68647a4ae15a
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,119 @@
+// <auto-generated>
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>> activityOutputs = default)
+        {
+            ActivityOutputs = activityOutputs;
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [JsonPropertyName("activity_outputs")]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>> ActivityOutputs { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public Dictionary<string, JsonElement> AdditionalProperties { get; set; } = new Dictionary<string, JsonElement>();
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..ed290bab607e
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-generichost-netstandard2.0/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,132 @@
+// <auto-generated>
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1</param>
+        /// <param name="prop2">prop2</param>
+        public ActivityOutputElementRepresentation(string prop1 = default, Object prop2 = default)
+        {
+            Prop1 = prop1;
+            Prop2 = prop2;
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [JsonPropertyName("prop1")]
+        public string Prop1 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [JsonPropertyName("prop2")]
+        public Object Prop2 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public Dictionary<string, JsonElement> AdditionalProperties { get; set; } = new Dictionary<string, JsonElement>();
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/.openapi-generator/FILES
index 3b9f82954547..95d1165749d9 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/.openapi-generator/FILES
@@ -2,6 +2,8 @@
 Org.OpenAPITools.sln
 README.md
 appveyor.yml
+docs/Activity.md
+docs/ActivityOutputElementRepresentation.md
 docs/AdditionalPropertiesClass.md
 docs/Animal.md
 docs/AnotherFakeApi.md
@@ -113,6 +115,8 @@ src/Org.OpenAPITools/Client/RequestOptions.cs
 src/Org.OpenAPITools/Client/RetryConfiguration.cs
 src/Org.OpenAPITools/Client/WebRequestPathBuilder.cs
 src/Org.OpenAPITools/Model/AbstractOpenAPISchema.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/README.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/README.md
index f52ed7e7e685..ba5e4d45f47b 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/README.md
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/README.md
@@ -172,6 +172,8 @@ Class | Method | HTTP request | Description
 <a name="documentation-for-models"></a>
 ## Documentation for Models
 
+ - [Model.Activity](docs/Activity.md)
+ - [Model.ActivityOutputElementRepresentation](docs/ActivityOutputElementRepresentation.md)
  - [Model.AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
  - [Model.Animal](docs/Animal.md)
  - [Model.ApiResponse](docs/ApiResponse.md)
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/docs/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/docs/Activity.md
new file mode 100644
index 000000000000..27a4e4571997
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/docs/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/docs/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/docs/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..21f226b39525
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/docs/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..a883381f9c77
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,133 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using FileParameter = Org.OpenAPITools.Client.FileParameter;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    [DataContract(Name = "Activity")]
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs.</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>> activityOutputs = default(Dictionary<string, List<ActivityOutputElementRepresentation>>))
+        {
+            this.ActivityOutputs = activityOutputs;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [DataMember(Name = "activity_outputs", EmitDefaultValue = false)]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>> ActivityOutputs { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..065c023d0a5a
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-httpclient/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,146 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using FileParameter = Org.OpenAPITools.Client.FileParameter;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    [DataContract(Name = "ActivityOutputElementRepresentation")]
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1.</param>
+        /// <param name="prop2">prop2.</param>
+        public ActivityOutputElementRepresentation(string prop1 = default(string), Object prop2 = default(Object))
+        {
+            this.Prop1 = prop1;
+            this.Prop2 = prop2;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [DataMember(Name = "prop1", EmitDefaultValue = false)]
+        public string Prop1 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [DataMember(Name = "prop2", EmitDefaultValue = false)]
+        public Object Prop2 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/.openapi-generator/FILES
index e99cb9be46cc..917a723fcc61 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/.openapi-generator/FILES
@@ -2,6 +2,8 @@
 Org.OpenAPITools.sln
 README.md
 appveyor.yml
+docs/Activity.md
+docs/ActivityOutputElementRepresentation.md
 docs/AdditionalPropertiesClass.md
 docs/Animal.md
 docs/AnotherFakeApi.md
@@ -116,6 +118,8 @@ src/Org.OpenAPITools/Client/OpenAPIDateConverter.cs
 src/Org.OpenAPITools/Client/RequestOptions.cs
 src/Org.OpenAPITools/Client/RetryConfiguration.cs
 src/Org.OpenAPITools/Model/AbstractOpenAPISchema.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/README.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/README.md
index b3a20c0c0833..aeefb0f54ef0 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/README.md
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/README.md
@@ -159,6 +159,8 @@ Class | Method | HTTP request | Description
 <a name="documentation-for-models"></a>
 ## Documentation for Models
 
+ - [Model.Activity](docs/Activity.md)
+ - [Model.ActivityOutputElementRepresentation](docs/ActivityOutputElementRepresentation.md)
  - [Model.AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
  - [Model.Animal](docs/Animal.md)
  - [Model.ApiResponse](docs/ApiResponse.md)
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/docs/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/docs/Activity.md
new file mode 100644
index 000000000000..27a4e4571997
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/docs/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/docs/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/docs/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..21f226b39525
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/docs/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..38f1573adb2a
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,132 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    [DataContract(Name = "Activity")]
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs.</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>> activityOutputs = default(Dictionary<string, List<ActivityOutputElementRepresentation>>))
+        {
+            this.ActivityOutputs = activityOutputs;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [DataMember(Name = "activity_outputs", EmitDefaultValue = false)]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>> ActivityOutputs { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..59a301721b20
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net47/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,145 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    [DataContract(Name = "ActivityOutputElementRepresentation")]
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1.</param>
+        /// <param name="prop2">prop2.</param>
+        public ActivityOutputElementRepresentation(string prop1 = default(string), Object prop2 = default(Object))
+        {
+            this.Prop1 = prop1;
+            this.Prop2 = prop2;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [DataMember(Name = "prop1", EmitDefaultValue = false)]
+        public string Prop1 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [DataMember(Name = "prop2", EmitDefaultValue = false)]
+        public Object Prop2 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/.openapi-generator/FILES
index e99cb9be46cc..917a723fcc61 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/.openapi-generator/FILES
@@ -2,6 +2,8 @@
 Org.OpenAPITools.sln
 README.md
 appveyor.yml
+docs/Activity.md
+docs/ActivityOutputElementRepresentation.md
 docs/AdditionalPropertiesClass.md
 docs/Animal.md
 docs/AnotherFakeApi.md
@@ -116,6 +118,8 @@ src/Org.OpenAPITools/Client/OpenAPIDateConverter.cs
 src/Org.OpenAPITools/Client/RequestOptions.cs
 src/Org.OpenAPITools/Client/RetryConfiguration.cs
 src/Org.OpenAPITools/Model/AbstractOpenAPISchema.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/README.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/README.md
index b3a20c0c0833..aeefb0f54ef0 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/README.md
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/README.md
@@ -159,6 +159,8 @@ Class | Method | HTTP request | Description
 <a name="documentation-for-models"></a>
 ## Documentation for Models
 
+ - [Model.Activity](docs/Activity.md)
+ - [Model.ActivityOutputElementRepresentation](docs/ActivityOutputElementRepresentation.md)
  - [Model.AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
  - [Model.Animal](docs/Animal.md)
  - [Model.ApiResponse](docs/ApiResponse.md)
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/docs/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/docs/Activity.md
new file mode 100644
index 000000000000..27a4e4571997
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/docs/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/docs/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/docs/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..21f226b39525
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/docs/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..38f1573adb2a
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,132 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    [DataContract(Name = "Activity")]
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs.</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>> activityOutputs = default(Dictionary<string, List<ActivityOutputElementRepresentation>>))
+        {
+            this.ActivityOutputs = activityOutputs;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [DataMember(Name = "activity_outputs", EmitDefaultValue = false)]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>> ActivityOutputs { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..59a301721b20
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net48/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,145 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    [DataContract(Name = "ActivityOutputElementRepresentation")]
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1.</param>
+        /// <param name="prop2">prop2.</param>
+        public ActivityOutputElementRepresentation(string prop1 = default(string), Object prop2 = default(Object))
+        {
+            this.Prop1 = prop1;
+            this.Prop2 = prop2;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [DataMember(Name = "prop1", EmitDefaultValue = false)]
+        public string Prop1 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [DataMember(Name = "prop2", EmitDefaultValue = false)]
+        public Object Prop2 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/.openapi-generator/FILES
index e99cb9be46cc..917a723fcc61 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/.openapi-generator/FILES
@@ -2,6 +2,8 @@
 Org.OpenAPITools.sln
 README.md
 appveyor.yml
+docs/Activity.md
+docs/ActivityOutputElementRepresentation.md
 docs/AdditionalPropertiesClass.md
 docs/Animal.md
 docs/AnotherFakeApi.md
@@ -116,6 +118,8 @@ src/Org.OpenAPITools/Client/OpenAPIDateConverter.cs
 src/Org.OpenAPITools/Client/RequestOptions.cs
 src/Org.OpenAPITools/Client/RetryConfiguration.cs
 src/Org.OpenAPITools/Model/AbstractOpenAPISchema.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/README.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/README.md
index b3a20c0c0833..aeefb0f54ef0 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/README.md
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/README.md
@@ -159,6 +159,8 @@ Class | Method | HTTP request | Description
 <a name="documentation-for-models"></a>
 ## Documentation for Models
 
+ - [Model.Activity](docs/Activity.md)
+ - [Model.ActivityOutputElementRepresentation](docs/ActivityOutputElementRepresentation.md)
  - [Model.AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
  - [Model.Animal](docs/Animal.md)
  - [Model.ApiResponse](docs/ApiResponse.md)
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/docs/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/docs/Activity.md
new file mode 100644
index 000000000000..27a4e4571997
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/docs/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/docs/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/docs/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..21f226b39525
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/docs/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..38f1573adb2a
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,132 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    [DataContract(Name = "Activity")]
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs.</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>> activityOutputs = default(Dictionary<string, List<ActivityOutputElementRepresentation>>))
+        {
+            this.ActivityOutputs = activityOutputs;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [DataMember(Name = "activity_outputs", EmitDefaultValue = false)]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>> ActivityOutputs { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..59a301721b20
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient-net5.0/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,145 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    [DataContract(Name = "ActivityOutputElementRepresentation")]
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1.</param>
+        /// <param name="prop2">prop2.</param>
+        public ActivityOutputElementRepresentation(string prop1 = default(string), Object prop2 = default(Object))
+        {
+            this.Prop1 = prop1;
+            this.Prop2 = prop2;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [DataMember(Name = "prop1", EmitDefaultValue = false)]
+        public string Prop1 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [DataMember(Name = "prop2", EmitDefaultValue = false)]
+        public Object Prop2 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClient/.openapi-generator/FILES
index ba71e29dcc7e..59f6d50ea71d 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient/.openapi-generator/FILES
@@ -2,6 +2,8 @@
 Org.OpenAPITools.sln
 README.md
 appveyor.yml
+docs/Activity.md
+docs/ActivityOutputElementRepresentation.md
 docs/AdditionalPropertiesClass.md
 docs/Animal.md
 docs/AnotherFakeApi.md
@@ -115,6 +117,8 @@ src/Org.OpenAPITools/Client/OpenAPIDateConverter.cs
 src/Org.OpenAPITools/Client/RequestOptions.cs
 src/Org.OpenAPITools/Client/RetryConfiguration.cs
 src/Org.OpenAPITools/Model/AbstractOpenAPISchema.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient/README.md b/samples/client/petstore/csharp-netcore/OpenAPIClient/README.md
index fdc4b49e799d..99c92a26a6b4 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient/README.md
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient/README.md
@@ -147,6 +147,8 @@ Class | Method | HTTP request | Description
 <a name="documentation-for-models"></a>
 ## Documentation for Models
 
+ - [Model.Activity](docs/Activity.md)
+ - [Model.ActivityOutputElementRepresentation](docs/ActivityOutputElementRepresentation.md)
  - [Model.AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
  - [Model.Animal](docs/Animal.md)
  - [Model.ApiResponse](docs/ApiResponse.md)
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient/docs/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClient/docs/Activity.md
new file mode 100644
index 000000000000..27a4e4571997
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient/docs/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient/docs/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClient/docs/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..21f226b39525
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient/docs/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..38f1573adb2a
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,132 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    [DataContract(Name = "Activity")]
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs.</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>> activityOutputs = default(Dictionary<string, List<ActivityOutputElementRepresentation>>))
+        {
+            this.ActivityOutputs = activityOutputs;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [DataMember(Name = "activity_outputs", EmitDefaultValue = false)]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>> ActivityOutputs { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..59a301721b20
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,145 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    [DataContract(Name = "ActivityOutputElementRepresentation")]
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1.</param>
+        /// <param name="prop2">prop2.</param>
+        public ActivityOutputElementRepresentation(string prop1 = default(string), Object prop2 = default(Object))
+        {
+            this.Prop1 = prop1;
+            this.Prop2 = prop2;
+            this.AdditionalProperties = new Dictionary<string, object>();
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [DataMember(Name = "prop1", EmitDefaultValue = false)]
+        public string Prop1 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [DataMember(Name = "prop2", EmitDefaultValue = false)]
+        public Object Prop2 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets additional properties
+        /// </summary>
+        [JsonExtensionData]
+        public IDictionary<string, object> AdditionalProperties { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("  AdditionalProperties: ").Append(AdditionalProperties).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                if (this.AdditionalProperties != null)
+                {
+                    hashCode = (hashCode * 59) + this.AdditionalProperties.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/.openapi-generator/FILES b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/.openapi-generator/FILES
index ba71e29dcc7e..59f6d50ea71d 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/.openapi-generator/FILES
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/.openapi-generator/FILES
@@ -2,6 +2,8 @@
 Org.OpenAPITools.sln
 README.md
 appveyor.yml
+docs/Activity.md
+docs/ActivityOutputElementRepresentation.md
 docs/AdditionalPropertiesClass.md
 docs/Animal.md
 docs/AnotherFakeApi.md
@@ -115,6 +117,8 @@ src/Org.OpenAPITools/Client/OpenAPIDateConverter.cs
 src/Org.OpenAPITools/Client/RequestOptions.cs
 src/Org.OpenAPITools/Client/RetryConfiguration.cs
 src/Org.OpenAPITools/Model/AbstractOpenAPISchema.cs
+src/Org.OpenAPITools/Model/Activity.cs
+src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
 src/Org.OpenAPITools/Model/AdditionalPropertiesClass.cs
 src/Org.OpenAPITools/Model/Animal.cs
 src/Org.OpenAPITools/Model/ApiResponse.cs
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/README.md b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/README.md
index b3a20c0c0833..aeefb0f54ef0 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/README.md
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/README.md
@@ -159,6 +159,8 @@ Class | Method | HTTP request | Description
 <a name="documentation-for-models"></a>
 ## Documentation for Models
 
+ - [Model.Activity](docs/Activity.md)
+ - [Model.ActivityOutputElementRepresentation](docs/ActivityOutputElementRepresentation.md)
  - [Model.AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
  - [Model.Animal](docs/Animal.md)
  - [Model.ApiResponse](docs/ApiResponse.md)
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/docs/Activity.md b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/docs/Activity.md
new file mode 100644
index 000000000000..27a4e4571997
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/docs/Activity.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.Activity
+test map of maps
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**ActivityOutputs** | **Dictionary&lt;string, List&lt;ActivityOutputElementRepresentation&gt;&gt;** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/docs/ActivityOutputElementRepresentation.md b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/docs/ActivityOutputElementRepresentation.md
new file mode 100644
index 000000000000..21f226b39525
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/docs/ActivityOutputElementRepresentation.md
@@ -0,0 +1,11 @@
+# Org.OpenAPITools.Model.ActivityOutputElementRepresentation
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Prop1** | **string** |  | [optional] 
+**Prop2** | **Object** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
new file mode 100644
index 000000000000..f211a64884af
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools.Test/Model/ActivityOutputElementRepresentationTests.cs
@@ -0,0 +1,78 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing ActivityOutputElementRepresentation
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityOutputElementRepresentationTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for ActivityOutputElementRepresentation
+        //private ActivityOutputElementRepresentation instance;
+
+        public ActivityOutputElementRepresentationTests()
+        {
+            // TODO uncomment below to create an instance of ActivityOutputElementRepresentation
+            //instance = new ActivityOutputElementRepresentation();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of ActivityOutputElementRepresentation
+        /// </summary>
+        [Fact]
+        public void ActivityOutputElementRepresentationInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" ActivityOutputElementRepresentation
+            //Assert.IsType<ActivityOutputElementRepresentation>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'Prop1'
+        /// </summary>
+        [Fact]
+        public void Prop1Test()
+        {
+            // TODO unit test for the property 'Prop1'
+        }
+        /// <summary>
+        /// Test the property 'Prop2'
+        /// </summary>
+        [Fact]
+        public void Prop2Test()
+        {
+            // TODO unit test for the property 'Prop2'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools.Test/Model/ActivityTests.cs b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
new file mode 100644
index 000000000000..afe9e846ee94
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools.Test/Model/ActivityTests.cs
@@ -0,0 +1,70 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using Xunit;
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Model;
+using Org.OpenAPITools.Client;
+using System.Reflection;
+using Newtonsoft.Json;
+
+namespace Org.OpenAPITools.Test.Model
+{
+    /// <summary>
+    ///  Class for testing Activity
+    /// </summary>
+    /// <remarks>
+    /// This file is automatically generated by OpenAPI Generator (https://openapi-generator.tech).
+    /// Please update the test case below to test the model.
+    /// </remarks>
+    public class ActivityTests : IDisposable
+    {
+        // TODO uncomment below to declare an instance variable for Activity
+        //private Activity instance;
+
+        public ActivityTests()
+        {
+            // TODO uncomment below to create an instance of Activity
+            //instance = new Activity();
+        }
+
+        public void Dispose()
+        {
+            // Cleanup when everything is done.
+        }
+
+        /// <summary>
+        /// Test an instance of Activity
+        /// </summary>
+        [Fact]
+        public void ActivityInstanceTest()
+        {
+            // TODO uncomment below to test "IsType" Activity
+            //Assert.IsType<Activity>(instance);
+        }
+
+
+        /// <summary>
+        /// Test the property 'ActivityOutputs'
+        /// </summary>
+        [Fact]
+        public void ActivityOutputsTest()
+        {
+            // TODO unit test for the property 'ActivityOutputs'
+        }
+
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools/Model/Activity.cs b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools/Model/Activity.cs
new file mode 100644
index 000000000000..625d71bfff77
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools/Model/Activity.cs
@@ -0,0 +1,120 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// test map of maps
+    /// </summary>
+    [DataContract(Name = "Activity")]
+    public partial class Activity : IEquatable<Activity>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Activity" /> class.
+        /// </summary>
+        /// <param name="activityOutputs">activityOutputs.</param>
+        public Activity(Dictionary<string, List<ActivityOutputElementRepresentation>> activityOutputs = default(Dictionary<string, List<ActivityOutputElementRepresentation>>))
+        {
+            this.ActivityOutputs = activityOutputs;
+        }
+
+        /// <summary>
+        /// Gets or Sets ActivityOutputs
+        /// </summary>
+        [DataMember(Name = "activity_outputs", EmitDefaultValue = false)]
+        public Dictionary<string, List<ActivityOutputElementRepresentation>> ActivityOutputs { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class Activity {\n");
+            sb.Append("  ActivityOutputs: ").Append(ActivityOutputs).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as Activity).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if Activity instances are equal
+        /// </summary>
+        /// <param name="input">Instance of Activity to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(Activity input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.ActivityOutputs != null)
+                {
+                    hashCode = (hashCode * 59) + this.ActivityOutputs.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
new file mode 100644
index 000000000000..677b79cc20d6
--- /dev/null
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools/Model/ActivityOutputElementRepresentation.cs
@@ -0,0 +1,133 @@
+/*
+ * OpenAPI Petstore
+ *
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Org.OpenAPITools.Client.OpenAPIDateConverter;
+using OpenAPIClientUtils = Org.OpenAPITools.Client.ClientUtils;
+
+namespace Org.OpenAPITools.Model
+{
+    /// <summary>
+    /// ActivityOutputElementRepresentation
+    /// </summary>
+    [DataContract(Name = "ActivityOutputElementRepresentation")]
+    public partial class ActivityOutputElementRepresentation : IEquatable<ActivityOutputElementRepresentation>, IValidatableObject
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ActivityOutputElementRepresentation" /> class.
+        /// </summary>
+        /// <param name="prop1">prop1.</param>
+        /// <param name="prop2">prop2.</param>
+        public ActivityOutputElementRepresentation(string prop1 = default(string), Object prop2 = default(Object))
+        {
+            this.Prop1 = prop1;
+            this.Prop2 = prop2;
+        }
+
+        /// <summary>
+        /// Gets or Sets Prop1
+        /// </summary>
+        [DataMember(Name = "prop1", EmitDefaultValue = false)]
+        public string Prop1 { get; set; }
+
+        /// <summary>
+        /// Gets or Sets Prop2
+        /// </summary>
+        [DataMember(Name = "prop2", EmitDefaultValue = false)]
+        public Object Prop2 { get; set; }
+
+        /// <summary>
+        /// Returns the string presentation of the object
+        /// </summary>
+        /// <returns>String presentation of the object</returns>
+        public override string ToString()
+        {
+            StringBuilder sb = new StringBuilder();
+            sb.Append("class ActivityOutputElementRepresentation {\n");
+            sb.Append("  Prop1: ").Append(Prop1).Append("\n");
+            sb.Append("  Prop2: ").Append(Prop2).Append("\n");
+            sb.Append("}\n");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Returns the JSON string presentation of the object
+        /// </summary>
+        /// <returns>JSON string presentation of the object</returns>
+        public virtual string ToJson()
+        {
+            return Newtonsoft.Json.JsonConvert.SerializeObject(this, Newtonsoft.Json.Formatting.Indented);
+        }
+
+        /// <summary>
+        /// Returns true if objects are equal
+        /// </summary>
+        /// <param name="input">Object to be compared</param>
+        /// <returns>Boolean</returns>
+        public override bool Equals(object input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input as ActivityOutputElementRepresentation).AreEqual;
+        }
+
+        /// <summary>
+        /// Returns true if ActivityOutputElementRepresentation instances are equal
+        /// </summary>
+        /// <param name="input">Instance of ActivityOutputElementRepresentation to be compared</param>
+        /// <returns>Boolean</returns>
+        public bool Equals(ActivityOutputElementRepresentation input)
+        {
+            return OpenAPIClientUtils.compareLogic.Compare(this, input).AreEqual;
+        }
+
+        /// <summary>
+        /// Gets the hash code
+        /// </summary>
+        /// <returns>Hash code</returns>
+        public override int GetHashCode()
+        {
+            unchecked // Overflow is fine, just wrap
+            {
+                int hashCode = 41;
+                if (this.Prop1 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop1.GetHashCode();
+                }
+                if (this.Prop2 != null)
+                {
+                    hashCode = (hashCode * 59) + this.Prop2.GetHashCode();
+                }
+                return hashCode;
+            }
+        }
+
+        /// <summary>
+        /// To validate all properties of the instance
+        /// </summary>
+        /// <param name="validationContext">Validation context</param>
+        /// <returns>Validation Result</returns>
+        public IEnumerable<System.ComponentModel.DataAnnotations.ValidationResult> Validate(ValidationContext validationContext)
+        {
+            yield break;
+        }
+    }
+
+}