diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java
index 7f46a2e7b0c..e842136830c 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java
@@ -1027,6 +1027,9 @@ public abstract class AbstractKotlinCodegen extends DefaultCodegen implements Co
             if (p.getDefault() != null) {
                 String arrInstantiationType = ModelUtils.isSet(p) ? "set" : "arrayList";
 
+                if (!(p.getDefault() instanceof ArrayNode)) {
+                    return null;
+                }
                 ArrayNode _default = (ArrayNode) p.getDefault();
                 if (_default.isEmpty()) {
                     return arrInstantiationType + "Of()";
diff --git a/modules/openapi-generator/src/test/resources/3_0/issue_10865_default_values.yaml b/modules/openapi-generator/src/test/resources/3_0/issue_10865_default_values.yaml
index 3f24f7d1126..c7fd7668cb4 100644
--- a/modules/openapi-generator/src/test/resources/3_0/issue_10865_default_values.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/issue_10865_default_values.yaml
@@ -145,6 +145,15 @@ paths:
           in: formData
           required: true
           type: number
+        - name: fn4
+          in: formData
+          required: true
+          type: array
+          items:
+            type: string
+          default:
+            - item0
+
 
       responses:
         "200":
diff --git a/samples/client/petstore/kotlin-default-values-jvm-okhttp3/docs/DefaultApi.md b/samples/client/petstore/kotlin-default-values-jvm-okhttp3/docs/DefaultApi.md
index 97d95ded4d6..beff84ea665 100644
--- a/samples/client/petstore/kotlin-default-values-jvm-okhttp3/docs/DefaultApi.md
+++ b/samples/client/petstore/kotlin-default-values-jvm-okhttp3/docs/DefaultApi.md
@@ -9,7 +9,7 @@ Method | HTTP request | Description
 
 <a name="test"></a>
 # **test**
-> test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3)
+> test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3, fn4)
 
 Tests default values
 
@@ -50,8 +50,9 @@ val fn0 : java.math.BigDecimal = 8.14 // java.math.BigDecimal |
 val fn1 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
 val fn2 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
 val fn3 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
+val fn4 : kotlin.collections.List<kotlin.String> =  // kotlin.collections.List<kotlin.String> | 
 try {
-    apiInstance.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3)
+    apiInstance.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3, fn4)
 } catch (e: ClientException) {
     println("4xx response calling DefaultApi#test")
     e.printStackTrace()
@@ -93,6 +94,7 @@ Name | Type | Description  | Notes
  **fn1** | **java.math.BigDecimal**|  | [default to 71.0]
  **fn2** | **java.math.BigDecimal**|  | [optional]
  **fn3** | **java.math.BigDecimal**|  |
+ **fn4** | [**kotlin.collections.List&lt;kotlin.String&gt;**](kotlin.String.md)|  |
 
 ### Return type
 
diff --git a/samples/client/petstore/kotlin-default-values-jvm-okhttp3/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt b/samples/client/petstore/kotlin-default-values-jvm-okhttp3/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
index 3e005960688..be89177b3fb 100644
--- a/samples/client/petstore/kotlin-default-values-jvm-okhttp3/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
+++ b/samples/client/petstore/kotlin-default-values-jvm-okhttp3/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
@@ -79,6 +79,7 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
      * @param fn1  (default to 71.0)
      * @param fn2  (optional)
      * @param fn3 
+     * @param fn4 
      * @return void
      * @throws IllegalStateException If the request is not correctly configured
      * @throws IOException Rethrows the OkHttp execute method exception
@@ -87,8 +88,8 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
      * @throws ServerException If the API returns a server error response
      */
     @Throws(IllegalStateException::class, IOException::class, UnsupportedOperationException::class, ClientException::class, ServerException::class)
-    fun test(pi0: kotlin.Int = 10, pi1: kotlin.Int, pn0: java.math.BigDecimal = java.math.BigDecimal("10.0"), pn1: java.math.BigDecimal, qi0: kotlin.Int? = 10, qi1: kotlin.Int = 71, qi2: kotlin.Int? = null, qi3: kotlin.Int, qn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), qn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), qn2: java.math.BigDecimal? = null, qn3: java.math.BigDecimal, hi0: kotlin.Int? = 10, hi1: kotlin.Int = 71, hi2: kotlin.Int? = null, hi3: kotlin.Int, hn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), hn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), hn2: java.math.BigDecimal? = null, hn3: java.math.BigDecimal, fi0: kotlin.Int? = 10, fi1: kotlin.Int = 71, fi2: kotlin.Int? = null, fi3: kotlin.Int, fn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), fn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), fn2: java.math.BigDecimal? = null, fn3: java.math.BigDecimal) : Unit {
-        val localVarResponse = testWithHttpInfo(pi0 = pi0, pi1 = pi1, pn0 = pn0, pn1 = pn1, qi0 = qi0, qi1 = qi1, qi2 = qi2, qi3 = qi3, qn0 = qn0, qn1 = qn1, qn2 = qn2, qn3 = qn3, hi0 = hi0, hi1 = hi1, hi2 = hi2, hi3 = hi3, hn0 = hn0, hn1 = hn1, hn2 = hn2, hn3 = hn3, fi0 = fi0, fi1 = fi1, fi2 = fi2, fi3 = fi3, fn0 = fn0, fn1 = fn1, fn2 = fn2, fn3 = fn3)
+    fun test(pi0: kotlin.Int = 10, pi1: kotlin.Int, pn0: java.math.BigDecimal = java.math.BigDecimal("10.0"), pn1: java.math.BigDecimal, qi0: kotlin.Int? = 10, qi1: kotlin.Int = 71, qi2: kotlin.Int? = null, qi3: kotlin.Int, qn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), qn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), qn2: java.math.BigDecimal? = null, qn3: java.math.BigDecimal, hi0: kotlin.Int? = 10, hi1: kotlin.Int = 71, hi2: kotlin.Int? = null, hi3: kotlin.Int, hn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), hn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), hn2: java.math.BigDecimal? = null, hn3: java.math.BigDecimal, fi0: kotlin.Int? = 10, fi1: kotlin.Int = 71, fi2: kotlin.Int? = null, fi3: kotlin.Int, fn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), fn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), fn2: java.math.BigDecimal? = null, fn3: java.math.BigDecimal, fn4: kotlin.collections.List<kotlin.String>) : Unit {
+        val localVarResponse = testWithHttpInfo(pi0 = pi0, pi1 = pi1, pn0 = pn0, pn1 = pn1, qi0 = qi0, qi1 = qi1, qi2 = qi2, qi3 = qi3, qn0 = qn0, qn1 = qn1, qn2 = qn2, qn3 = qn3, hi0 = hi0, hi1 = hi1, hi2 = hi2, hi3 = hi3, hn0 = hn0, hn1 = hn1, hn2 = hn2, hn3 = hn3, fi0 = fi0, fi1 = fi1, fi2 = fi2, fi3 = fi3, fn0 = fn0, fn1 = fn1, fn2 = fn2, fn3 = fn3, fn4 = fn4)
 
         return when (localVarResponse.responseType) {
             ResponseType.Success -> Unit
@@ -136,13 +137,14 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
      * @param fn1  (default to 71.0)
      * @param fn2  (optional)
      * @param fn3 
+     * @param fn4 
      * @return ApiResponse<Unit?>
      * @throws IllegalStateException If the request is not correctly configured
      * @throws IOException Rethrows the OkHttp execute method exception
      */
     @Throws(IllegalStateException::class, IOException::class)
-    fun testWithHttpInfo(pi0: kotlin.Int, pi1: kotlin.Int, pn0: java.math.BigDecimal, pn1: java.math.BigDecimal, qi0: kotlin.Int?, qi1: kotlin.Int, qi2: kotlin.Int?, qi3: kotlin.Int, qn0: java.math.BigDecimal?, qn1: java.math.BigDecimal, qn2: java.math.BigDecimal?, qn3: java.math.BigDecimal, hi0: kotlin.Int?, hi1: kotlin.Int, hi2: kotlin.Int?, hi3: kotlin.Int, hn0: java.math.BigDecimal?, hn1: java.math.BigDecimal, hn2: java.math.BigDecimal?, hn3: java.math.BigDecimal, fi0: kotlin.Int?, fi1: kotlin.Int, fi2: kotlin.Int?, fi3: kotlin.Int, fn0: java.math.BigDecimal?, fn1: java.math.BigDecimal, fn2: java.math.BigDecimal?, fn3: java.math.BigDecimal) : ApiResponse<Unit?> {
-        val localVariableConfig = testRequestConfig(pi0 = pi0, pi1 = pi1, pn0 = pn0, pn1 = pn1, qi0 = qi0, qi1 = qi1, qi2 = qi2, qi3 = qi3, qn0 = qn0, qn1 = qn1, qn2 = qn2, qn3 = qn3, hi0 = hi0, hi1 = hi1, hi2 = hi2, hi3 = hi3, hn0 = hn0, hn1 = hn1, hn2 = hn2, hn3 = hn3, fi0 = fi0, fi1 = fi1, fi2 = fi2, fi3 = fi3, fn0 = fn0, fn1 = fn1, fn2 = fn2, fn3 = fn3)
+    fun testWithHttpInfo(pi0: kotlin.Int, pi1: kotlin.Int, pn0: java.math.BigDecimal, pn1: java.math.BigDecimal, qi0: kotlin.Int?, qi1: kotlin.Int, qi2: kotlin.Int?, qi3: kotlin.Int, qn0: java.math.BigDecimal?, qn1: java.math.BigDecimal, qn2: java.math.BigDecimal?, qn3: java.math.BigDecimal, hi0: kotlin.Int?, hi1: kotlin.Int, hi2: kotlin.Int?, hi3: kotlin.Int, hn0: java.math.BigDecimal?, hn1: java.math.BigDecimal, hn2: java.math.BigDecimal?, hn3: java.math.BigDecimal, fi0: kotlin.Int?, fi1: kotlin.Int, fi2: kotlin.Int?, fi3: kotlin.Int, fn0: java.math.BigDecimal?, fn1: java.math.BigDecimal, fn2: java.math.BigDecimal?, fn3: java.math.BigDecimal, fn4: kotlin.collections.List<kotlin.String>) : ApiResponse<Unit?> {
+        val localVariableConfig = testRequestConfig(pi0 = pi0, pi1 = pi1, pn0 = pn0, pn1 = pn1, qi0 = qi0, qi1 = qi1, qi2 = qi2, qi3 = qi3, qn0 = qn0, qn1 = qn1, qn2 = qn2, qn3 = qn3, hi0 = hi0, hi1 = hi1, hi2 = hi2, hi3 = hi3, hn0 = hn0, hn1 = hn1, hn2 = hn2, hn3 = hn3, fi0 = fi0, fi1 = fi1, fi2 = fi2, fi3 = fi3, fn0 = fn0, fn1 = fn1, fn2 = fn2, fn3 = fn3, fn4 = fn4)
 
         return request<Map<String, PartConfig<*>>, Unit>(
             localVariableConfig
@@ -180,9 +182,10 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
      * @param fn1  (default to 71.0)
      * @param fn2  (optional)
      * @param fn3 
+     * @param fn4 
      * @return RequestConfig
      */
-    fun testRequestConfig(pi0: kotlin.Int, pi1: kotlin.Int, pn0: java.math.BigDecimal, pn1: java.math.BigDecimal, qi0: kotlin.Int?, qi1: kotlin.Int, qi2: kotlin.Int?, qi3: kotlin.Int, qn0: java.math.BigDecimal?, qn1: java.math.BigDecimal, qn2: java.math.BigDecimal?, qn3: java.math.BigDecimal, hi0: kotlin.Int?, hi1: kotlin.Int, hi2: kotlin.Int?, hi3: kotlin.Int, hn0: java.math.BigDecimal?, hn1: java.math.BigDecimal, hn2: java.math.BigDecimal?, hn3: java.math.BigDecimal, fi0: kotlin.Int?, fi1: kotlin.Int, fi2: kotlin.Int?, fi3: kotlin.Int, fn0: java.math.BigDecimal?, fn1: java.math.BigDecimal, fn2: java.math.BigDecimal?, fn3: java.math.BigDecimal) : RequestConfig<Map<String, PartConfig<*>>> {
+    fun testRequestConfig(pi0: kotlin.Int, pi1: kotlin.Int, pn0: java.math.BigDecimal, pn1: java.math.BigDecimal, qi0: kotlin.Int?, qi1: kotlin.Int, qi2: kotlin.Int?, qi3: kotlin.Int, qn0: java.math.BigDecimal?, qn1: java.math.BigDecimal, qn2: java.math.BigDecimal?, qn3: java.math.BigDecimal, hi0: kotlin.Int?, hi1: kotlin.Int, hi2: kotlin.Int?, hi3: kotlin.Int, hn0: java.math.BigDecimal?, hn1: java.math.BigDecimal, hn2: java.math.BigDecimal?, hn3: java.math.BigDecimal, fi0: kotlin.Int?, fi1: kotlin.Int, fi2: kotlin.Int?, fi3: kotlin.Int, fn0: java.math.BigDecimal?, fn1: java.math.BigDecimal, fn2: java.math.BigDecimal?, fn3: java.math.BigDecimal, fn4: kotlin.collections.List<kotlin.String>) : RequestConfig<Map<String, PartConfig<*>>> {
         val localVariableBody = mapOf(
             "fi0" to PartConfig(body = fi0, headers = mutableMapOf()),
             "fi1" to PartConfig(body = fi1, headers = mutableMapOf()),
@@ -191,7 +194,8 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
             "fn0" to PartConfig(body = fn0, headers = mutableMapOf()),
             "fn1" to PartConfig(body = fn1, headers = mutableMapOf()),
             "fn2" to PartConfig(body = fn2, headers = mutableMapOf()),
-            "fn3" to PartConfig(body = fn3, headers = mutableMapOf()),)
+            "fn3" to PartConfig(body = fn3, headers = mutableMapOf()),
+            "fn4" to PartConfig(body = fn4, headers = mutableMapOf()),)
         val localVariableQuery: MultiValueMap = mutableMapOf<kotlin.String, kotlin.collections.List<kotlin.String>>()
             .apply {
                 if (qi0 != null) {
diff --git a/samples/client/petstore/kotlin-default-values-jvm-okhttp4/docs/DefaultApi.md b/samples/client/petstore/kotlin-default-values-jvm-okhttp4/docs/DefaultApi.md
index 97d95ded4d6..beff84ea665 100644
--- a/samples/client/petstore/kotlin-default-values-jvm-okhttp4/docs/DefaultApi.md
+++ b/samples/client/petstore/kotlin-default-values-jvm-okhttp4/docs/DefaultApi.md
@@ -9,7 +9,7 @@ Method | HTTP request | Description
 
 <a name="test"></a>
 # **test**
-> test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3)
+> test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3, fn4)
 
 Tests default values
 
@@ -50,8 +50,9 @@ val fn0 : java.math.BigDecimal = 8.14 // java.math.BigDecimal |
 val fn1 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
 val fn2 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
 val fn3 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
+val fn4 : kotlin.collections.List<kotlin.String> =  // kotlin.collections.List<kotlin.String> | 
 try {
-    apiInstance.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3)
+    apiInstance.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3, fn4)
 } catch (e: ClientException) {
     println("4xx response calling DefaultApi#test")
     e.printStackTrace()
@@ -93,6 +94,7 @@ Name | Type | Description  | Notes
  **fn1** | **java.math.BigDecimal**|  | [default to 71.0]
  **fn2** | **java.math.BigDecimal**|  | [optional]
  **fn3** | **java.math.BigDecimal**|  |
+ **fn4** | [**kotlin.collections.List&lt;kotlin.String&gt;**](kotlin.String.md)|  |
 
 ### Return type
 
diff --git a/samples/client/petstore/kotlin-default-values-jvm-okhttp4/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt b/samples/client/petstore/kotlin-default-values-jvm-okhttp4/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
index 3e005960688..be89177b3fb 100644
--- a/samples/client/petstore/kotlin-default-values-jvm-okhttp4/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
+++ b/samples/client/petstore/kotlin-default-values-jvm-okhttp4/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
@@ -79,6 +79,7 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
      * @param fn1  (default to 71.0)
      * @param fn2  (optional)
      * @param fn3 
+     * @param fn4 
      * @return void
      * @throws IllegalStateException If the request is not correctly configured
      * @throws IOException Rethrows the OkHttp execute method exception
@@ -87,8 +88,8 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
      * @throws ServerException If the API returns a server error response
      */
     @Throws(IllegalStateException::class, IOException::class, UnsupportedOperationException::class, ClientException::class, ServerException::class)
-    fun test(pi0: kotlin.Int = 10, pi1: kotlin.Int, pn0: java.math.BigDecimal = java.math.BigDecimal("10.0"), pn1: java.math.BigDecimal, qi0: kotlin.Int? = 10, qi1: kotlin.Int = 71, qi2: kotlin.Int? = null, qi3: kotlin.Int, qn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), qn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), qn2: java.math.BigDecimal? = null, qn3: java.math.BigDecimal, hi0: kotlin.Int? = 10, hi1: kotlin.Int = 71, hi2: kotlin.Int? = null, hi3: kotlin.Int, hn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), hn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), hn2: java.math.BigDecimal? = null, hn3: java.math.BigDecimal, fi0: kotlin.Int? = 10, fi1: kotlin.Int = 71, fi2: kotlin.Int? = null, fi3: kotlin.Int, fn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), fn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), fn2: java.math.BigDecimal? = null, fn3: java.math.BigDecimal) : Unit {
-        val localVarResponse = testWithHttpInfo(pi0 = pi0, pi1 = pi1, pn0 = pn0, pn1 = pn1, qi0 = qi0, qi1 = qi1, qi2 = qi2, qi3 = qi3, qn0 = qn0, qn1 = qn1, qn2 = qn2, qn3 = qn3, hi0 = hi0, hi1 = hi1, hi2 = hi2, hi3 = hi3, hn0 = hn0, hn1 = hn1, hn2 = hn2, hn3 = hn3, fi0 = fi0, fi1 = fi1, fi2 = fi2, fi3 = fi3, fn0 = fn0, fn1 = fn1, fn2 = fn2, fn3 = fn3)
+    fun test(pi0: kotlin.Int = 10, pi1: kotlin.Int, pn0: java.math.BigDecimal = java.math.BigDecimal("10.0"), pn1: java.math.BigDecimal, qi0: kotlin.Int? = 10, qi1: kotlin.Int = 71, qi2: kotlin.Int? = null, qi3: kotlin.Int, qn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), qn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), qn2: java.math.BigDecimal? = null, qn3: java.math.BigDecimal, hi0: kotlin.Int? = 10, hi1: kotlin.Int = 71, hi2: kotlin.Int? = null, hi3: kotlin.Int, hn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), hn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), hn2: java.math.BigDecimal? = null, hn3: java.math.BigDecimal, fi0: kotlin.Int? = 10, fi1: kotlin.Int = 71, fi2: kotlin.Int? = null, fi3: kotlin.Int, fn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), fn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), fn2: java.math.BigDecimal? = null, fn3: java.math.BigDecimal, fn4: kotlin.collections.List<kotlin.String>) : Unit {
+        val localVarResponse = testWithHttpInfo(pi0 = pi0, pi1 = pi1, pn0 = pn0, pn1 = pn1, qi0 = qi0, qi1 = qi1, qi2 = qi2, qi3 = qi3, qn0 = qn0, qn1 = qn1, qn2 = qn2, qn3 = qn3, hi0 = hi0, hi1 = hi1, hi2 = hi2, hi3 = hi3, hn0 = hn0, hn1 = hn1, hn2 = hn2, hn3 = hn3, fi0 = fi0, fi1 = fi1, fi2 = fi2, fi3 = fi3, fn0 = fn0, fn1 = fn1, fn2 = fn2, fn3 = fn3, fn4 = fn4)
 
         return when (localVarResponse.responseType) {
             ResponseType.Success -> Unit
@@ -136,13 +137,14 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
      * @param fn1  (default to 71.0)
      * @param fn2  (optional)
      * @param fn3 
+     * @param fn4 
      * @return ApiResponse<Unit?>
      * @throws IllegalStateException If the request is not correctly configured
      * @throws IOException Rethrows the OkHttp execute method exception
      */
     @Throws(IllegalStateException::class, IOException::class)
-    fun testWithHttpInfo(pi0: kotlin.Int, pi1: kotlin.Int, pn0: java.math.BigDecimal, pn1: java.math.BigDecimal, qi0: kotlin.Int?, qi1: kotlin.Int, qi2: kotlin.Int?, qi3: kotlin.Int, qn0: java.math.BigDecimal?, qn1: java.math.BigDecimal, qn2: java.math.BigDecimal?, qn3: java.math.BigDecimal, hi0: kotlin.Int?, hi1: kotlin.Int, hi2: kotlin.Int?, hi3: kotlin.Int, hn0: java.math.BigDecimal?, hn1: java.math.BigDecimal, hn2: java.math.BigDecimal?, hn3: java.math.BigDecimal, fi0: kotlin.Int?, fi1: kotlin.Int, fi2: kotlin.Int?, fi3: kotlin.Int, fn0: java.math.BigDecimal?, fn1: java.math.BigDecimal, fn2: java.math.BigDecimal?, fn3: java.math.BigDecimal) : ApiResponse<Unit?> {
-        val localVariableConfig = testRequestConfig(pi0 = pi0, pi1 = pi1, pn0 = pn0, pn1 = pn1, qi0 = qi0, qi1 = qi1, qi2 = qi2, qi3 = qi3, qn0 = qn0, qn1 = qn1, qn2 = qn2, qn3 = qn3, hi0 = hi0, hi1 = hi1, hi2 = hi2, hi3 = hi3, hn0 = hn0, hn1 = hn1, hn2 = hn2, hn3 = hn3, fi0 = fi0, fi1 = fi1, fi2 = fi2, fi3 = fi3, fn0 = fn0, fn1 = fn1, fn2 = fn2, fn3 = fn3)
+    fun testWithHttpInfo(pi0: kotlin.Int, pi1: kotlin.Int, pn0: java.math.BigDecimal, pn1: java.math.BigDecimal, qi0: kotlin.Int?, qi1: kotlin.Int, qi2: kotlin.Int?, qi3: kotlin.Int, qn0: java.math.BigDecimal?, qn1: java.math.BigDecimal, qn2: java.math.BigDecimal?, qn3: java.math.BigDecimal, hi0: kotlin.Int?, hi1: kotlin.Int, hi2: kotlin.Int?, hi3: kotlin.Int, hn0: java.math.BigDecimal?, hn1: java.math.BigDecimal, hn2: java.math.BigDecimal?, hn3: java.math.BigDecimal, fi0: kotlin.Int?, fi1: kotlin.Int, fi2: kotlin.Int?, fi3: kotlin.Int, fn0: java.math.BigDecimal?, fn1: java.math.BigDecimal, fn2: java.math.BigDecimal?, fn3: java.math.BigDecimal, fn4: kotlin.collections.List<kotlin.String>) : ApiResponse<Unit?> {
+        val localVariableConfig = testRequestConfig(pi0 = pi0, pi1 = pi1, pn0 = pn0, pn1 = pn1, qi0 = qi0, qi1 = qi1, qi2 = qi2, qi3 = qi3, qn0 = qn0, qn1 = qn1, qn2 = qn2, qn3 = qn3, hi0 = hi0, hi1 = hi1, hi2 = hi2, hi3 = hi3, hn0 = hn0, hn1 = hn1, hn2 = hn2, hn3 = hn3, fi0 = fi0, fi1 = fi1, fi2 = fi2, fi3 = fi3, fn0 = fn0, fn1 = fn1, fn2 = fn2, fn3 = fn3, fn4 = fn4)
 
         return request<Map<String, PartConfig<*>>, Unit>(
             localVariableConfig
@@ -180,9 +182,10 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
      * @param fn1  (default to 71.0)
      * @param fn2  (optional)
      * @param fn3 
+     * @param fn4 
      * @return RequestConfig
      */
-    fun testRequestConfig(pi0: kotlin.Int, pi1: kotlin.Int, pn0: java.math.BigDecimal, pn1: java.math.BigDecimal, qi0: kotlin.Int?, qi1: kotlin.Int, qi2: kotlin.Int?, qi3: kotlin.Int, qn0: java.math.BigDecimal?, qn1: java.math.BigDecimal, qn2: java.math.BigDecimal?, qn3: java.math.BigDecimal, hi0: kotlin.Int?, hi1: kotlin.Int, hi2: kotlin.Int?, hi3: kotlin.Int, hn0: java.math.BigDecimal?, hn1: java.math.BigDecimal, hn2: java.math.BigDecimal?, hn3: java.math.BigDecimal, fi0: kotlin.Int?, fi1: kotlin.Int, fi2: kotlin.Int?, fi3: kotlin.Int, fn0: java.math.BigDecimal?, fn1: java.math.BigDecimal, fn2: java.math.BigDecimal?, fn3: java.math.BigDecimal) : RequestConfig<Map<String, PartConfig<*>>> {
+    fun testRequestConfig(pi0: kotlin.Int, pi1: kotlin.Int, pn0: java.math.BigDecimal, pn1: java.math.BigDecimal, qi0: kotlin.Int?, qi1: kotlin.Int, qi2: kotlin.Int?, qi3: kotlin.Int, qn0: java.math.BigDecimal?, qn1: java.math.BigDecimal, qn2: java.math.BigDecimal?, qn3: java.math.BigDecimal, hi0: kotlin.Int?, hi1: kotlin.Int, hi2: kotlin.Int?, hi3: kotlin.Int, hn0: java.math.BigDecimal?, hn1: java.math.BigDecimal, hn2: java.math.BigDecimal?, hn3: java.math.BigDecimal, fi0: kotlin.Int?, fi1: kotlin.Int, fi2: kotlin.Int?, fi3: kotlin.Int, fn0: java.math.BigDecimal?, fn1: java.math.BigDecimal, fn2: java.math.BigDecimal?, fn3: java.math.BigDecimal, fn4: kotlin.collections.List<kotlin.String>) : RequestConfig<Map<String, PartConfig<*>>> {
         val localVariableBody = mapOf(
             "fi0" to PartConfig(body = fi0, headers = mutableMapOf()),
             "fi1" to PartConfig(body = fi1, headers = mutableMapOf()),
@@ -191,7 +194,8 @@ class DefaultApi(basePath: kotlin.String = defaultBasePath, client: OkHttpClient
             "fn0" to PartConfig(body = fn0, headers = mutableMapOf()),
             "fn1" to PartConfig(body = fn1, headers = mutableMapOf()),
             "fn2" to PartConfig(body = fn2, headers = mutableMapOf()),
-            "fn3" to PartConfig(body = fn3, headers = mutableMapOf()),)
+            "fn3" to PartConfig(body = fn3, headers = mutableMapOf()),
+            "fn4" to PartConfig(body = fn4, headers = mutableMapOf()),)
         val localVariableQuery: MultiValueMap = mutableMapOf<kotlin.String, kotlin.collections.List<kotlin.String>>()
             .apply {
                 if (qi0 != null) {
diff --git a/samples/client/petstore/kotlin-default-values-jvm-retrofit2/docs/DefaultApi.md b/samples/client/petstore/kotlin-default-values-jvm-retrofit2/docs/DefaultApi.md
index fccc2be0607..25c9faaddb1 100644
--- a/samples/client/petstore/kotlin-default-values-jvm-retrofit2/docs/DefaultApi.md
+++ b/samples/client/petstore/kotlin-default-values-jvm-retrofit2/docs/DefaultApi.md
@@ -49,8 +49,9 @@ val fn0 : java.math.BigDecimal = 8.14 // java.math.BigDecimal |
 val fn1 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
 val fn2 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
 val fn3 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
+val fn4 : kotlin.collections.List<kotlin.String> =  // kotlin.collections.List<kotlin.String> | 
 
-webService.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3)
+webService.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3, fn4)
 ```
 
 ### Parameters
@@ -85,6 +86,7 @@ Name | Type | Description  | Notes
  **fn1** | **java.math.BigDecimal**|  | [default to 71.0]
  **fn2** | **java.math.BigDecimal**|  | [optional]
  **fn3** | **java.math.BigDecimal**|  |
+ **fn4** | [**kotlin.collections.List&lt;kotlin.String&gt;**](kotlin.String.md)|  |
 
 ### Return type
 
diff --git a/samples/client/petstore/kotlin-default-values-jvm-retrofit2/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt b/samples/client/petstore/kotlin-default-values-jvm-retrofit2/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
index edfc3a526a6..ae431d9c8fa 100644
--- a/samples/client/petstore/kotlin-default-values-jvm-retrofit2/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
+++ b/samples/client/petstore/kotlin-default-values-jvm-retrofit2/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
@@ -41,10 +41,11 @@ interface DefaultApi {
      * @param fn1  (default to 71.0)
      * @param fn2  (optional)
      * @param fn3 
+     * @param fn4 
      * @return [Call]<[Unit]>
      */
     @Multipart
     @POST("test")
-    fun test(@Path("pi0") pi0: kotlin.Int = 10, @Path("pi1") pi1: kotlin.Int, @Path("pn0") pn0: java.math.BigDecimal = java.math.BigDecimal("10.0"), @Path("pn1") pn1: java.math.BigDecimal, @Query("qi0") qi0: kotlin.Int? = 10, @Query("qi1") qi1: kotlin.Int = 71, @Query("qi2") qi2: kotlin.Int? = null, @Query("qi3") qi3: kotlin.Int, @Query("qn0") qn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), @Query("qn1") qn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), @Query("qn2") qn2: java.math.BigDecimal? = null, @Query("qn3") qn3: java.math.BigDecimal, @Header("hi0") hi0: kotlin.Int? = 10, @Header("hi1") hi1: kotlin.Int = 71, @Header("hi2") hi2: kotlin.Int? = null, @Header("hi3") hi3: kotlin.Int, @Header("hn0") hn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), @Header("hn1") hn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), @Header("hn2") hn2: java.math.BigDecimal? = null, @Header("hn3") hn3: java.math.BigDecimal, @Part("fi0") fi0: kotlin.Int? = 10, @Part("fi1") fi1: kotlin.Int = 71, @Part("fi2") fi2: kotlin.Int? = null, @Part("fi3") fi3: kotlin.Int, @Part("fn0") fn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), @Part("fn1") fn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), @Part("fn2") fn2: java.math.BigDecimal? = null, @Part("fn3") fn3: java.math.BigDecimal): Call<Unit>
+    fun test(@Path("pi0") pi0: kotlin.Int = 10, @Path("pi1") pi1: kotlin.Int, @Path("pn0") pn0: java.math.BigDecimal = java.math.BigDecimal("10.0"), @Path("pn1") pn1: java.math.BigDecimal, @Query("qi0") qi0: kotlin.Int? = 10, @Query("qi1") qi1: kotlin.Int = 71, @Query("qi2") qi2: kotlin.Int? = null, @Query("qi3") qi3: kotlin.Int, @Query("qn0") qn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), @Query("qn1") qn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), @Query("qn2") qn2: java.math.BigDecimal? = null, @Query("qn3") qn3: java.math.BigDecimal, @Header("hi0") hi0: kotlin.Int? = 10, @Header("hi1") hi1: kotlin.Int = 71, @Header("hi2") hi2: kotlin.Int? = null, @Header("hi3") hi3: kotlin.Int, @Header("hn0") hn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), @Header("hn1") hn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), @Header("hn2") hn2: java.math.BigDecimal? = null, @Header("hn3") hn3: java.math.BigDecimal, @Part("fi0") fi0: kotlin.Int? = 10, @Part("fi1") fi1: kotlin.Int = 71, @Part("fi2") fi2: kotlin.Int? = null, @Part("fi3") fi3: kotlin.Int, @Part("fn0") fn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), @Part("fn1") fn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), @Part("fn2") fn2: java.math.BigDecimal? = null, @Part("fn3") fn3: java.math.BigDecimal, @Part("fn4") fn4: kotlin.collections.List<kotlin.String>): Call<Unit>
 
 }
diff --git a/samples/client/petstore/kotlin-default-values-jvm-volley/docs/DefaultApi.md b/samples/client/petstore/kotlin-default-values-jvm-volley/docs/DefaultApi.md
index f85a38f6f7d..a7e3b0bc679 100644
--- a/samples/client/petstore/kotlin-default-values-jvm-volley/docs/DefaultApi.md
+++ b/samples/client/petstore/kotlin-default-values-jvm-volley/docs/DefaultApi.md
@@ -49,8 +49,9 @@ val fn0 : java.math.BigDecimal = 8.14 // java.math.BigDecimal |
 val fn1 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
 val fn2 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
 val fn3 : java.math.BigDecimal = 8.14 // java.math.BigDecimal | 
+val fn4 : kotlin.collections.List<kotlin.String> =  // kotlin.collections.List<kotlin.String> | 
 
-webService.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3)
+webService.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3, fn4)
 ```
 
 ### Parameters
@@ -85,6 +86,7 @@ Name | Type | Description  | Notes
  **fn1** | **java.math.BigDecimal**|  | [default to 71.0]
  **fn2** | **java.math.BigDecimal**|  | [optional]
  **fn3** | **java.math.BigDecimal**|  |
+ **fn4** | [**kotlin.collections.List&lt;kotlin.String&gt;**](kotlin.String.md)|  |
 
 ### Return type
 
diff --git a/samples/client/petstore/kotlin-default-values-jvm-volley/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt b/samples/client/petstore/kotlin-default-values-jvm-volley/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
index 29523534383..13725dca9f5 100644
--- a/samples/client/petstore/kotlin-default-values-jvm-volley/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
+++ b/samples/client/petstore/kotlin-default-values-jvm-volley/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
@@ -63,9 +63,10 @@ class DefaultApi (
      * @param fn1  (default to 71.0)
      * @param fn2  (optional)
      * @param fn3 
+     * @param fn4 
      * @return void
      */
-    suspend fun test(pi0: kotlin.Int = 10, pi1: kotlin.Int, pn0: java.math.BigDecimal = java.math.BigDecimal("10.0"), pn1: java.math.BigDecimal, qi0: kotlin.Int? = 10, qi1: kotlin.Int = 71, qi2: kotlin.Int? = null, qi3: kotlin.Int, qn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), qn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), qn2: java.math.BigDecimal? = null, qn3: java.math.BigDecimal, hi0: kotlin.Int? = 10, hi1: kotlin.Int = 71, hi2: kotlin.Int? = null, hi3: kotlin.Int, hn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), hn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), hn2: java.math.BigDecimal? = null, hn3: java.math.BigDecimal, fi0: kotlin.Int? = 10, fi1: kotlin.Int = 71, fi2: kotlin.Int? = null, fi3: kotlin.Int, fn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), fn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), fn2: java.math.BigDecimal? = null, fn3: java.math.BigDecimal): Unit {
+    suspend fun test(pi0: kotlin.Int = 10, pi1: kotlin.Int, pn0: java.math.BigDecimal = java.math.BigDecimal("10.0"), pn1: java.math.BigDecimal, qi0: kotlin.Int? = 10, qi1: kotlin.Int = 71, qi2: kotlin.Int? = null, qi3: kotlin.Int, qn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), qn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), qn2: java.math.BigDecimal? = null, qn3: java.math.BigDecimal, hi0: kotlin.Int? = 10, hi1: kotlin.Int = 71, hi2: kotlin.Int? = null, hi3: kotlin.Int, hn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), hn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), hn2: java.math.BigDecimal? = null, hn3: java.math.BigDecimal, fi0: kotlin.Int? = 10, fi1: kotlin.Int = 71, fi2: kotlin.Int? = null, fi3: kotlin.Int, fn0: java.math.BigDecimal? = java.math.BigDecimal("10.0"), fn1: java.math.BigDecimal = java.math.BigDecimal("71.0"), fn2: java.math.BigDecimal? = null, fn3: java.math.BigDecimal, fn4: kotlin.collections.List<kotlin.String>): Unit {
         val body: Any? = null
 
         val contentTypes : Array<String> = arrayOf("multipart/form-data")
@@ -87,7 +88,8 @@ class DefaultApi (
             "fn0" to IRequestFactory.parameterToString(fn0),
             "fn1" to IRequestFactory.parameterToString(fn1),
             "fn2" to IRequestFactory.parameterToString(fn2),
-            "fn3" to IRequestFactory.parameterToString(fn3)
+            "fn3" to IRequestFactory.parameterToString(fn3),
+            "fn4" to IRequestFactory.parameterToString(fn4)
         )
 
 
diff --git a/samples/client/petstore/kotlin-default-values-multiplatform/docs/DefaultApi.md b/samples/client/petstore/kotlin-default-values-multiplatform/docs/DefaultApi.md
index b299facd169..d163784e169 100644
--- a/samples/client/petstore/kotlin-default-values-multiplatform/docs/DefaultApi.md
+++ b/samples/client/petstore/kotlin-default-values-multiplatform/docs/DefaultApi.md
@@ -9,7 +9,7 @@ Method | HTTP request | Description
 
 <a name="test"></a>
 # **test**
-> test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3)
+> test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3, fn4)
 
 Tests default values
 
@@ -50,8 +50,9 @@ val fn0 : kotlin.Double = 8.14 // kotlin.Double |
 val fn1 : kotlin.Double = 8.14 // kotlin.Double | 
 val fn2 : kotlin.Double = 8.14 // kotlin.Double | 
 val fn3 : kotlin.Double = 8.14 // kotlin.Double | 
+val fn4 : kotlin.collections.List<kotlin.String> =  // kotlin.collections.List<kotlin.String> | 
 try {
-    apiInstance.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3)
+    apiInstance.test(pi0, pi1, pn0, pn1, qi0, qi1, qi2, qi3, qn0, qn1, qn2, qn3, hi0, hi1, hi2, hi3, hn0, hn1, hn2, hn3, fi0, fi1, fi2, fi3, fn0, fn1, fn2, fn3, fn4)
 } catch (e: ClientException) {
     println("4xx response calling DefaultApi#test")
     e.printStackTrace()
@@ -93,6 +94,7 @@ Name | Type | Description  | Notes
  **fn1** | **kotlin.Double**|  | [default to 71.0]
  **fn2** | **kotlin.Double**|  | [optional]
  **fn3** | **kotlin.Double**|  |
+ **fn4** | [**kotlin.collections.List&lt;kotlin.String&gt;**](kotlin.String.md)|  |
 
 ### Return type
 
diff --git a/samples/client/petstore/kotlin-default-values-multiplatform/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt b/samples/client/petstore/kotlin-default-values-multiplatform/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
index 6f47869c5a0..c050480021a 100644
--- a/samples/client/petstore/kotlin-default-values-multiplatform/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
+++ b/samples/client/petstore/kotlin-default-values-multiplatform/src/main/kotlin/org/openapitools/client/apis/DefaultApi.kt
@@ -70,9 +70,10 @@ open class DefaultApi(
      * @param fn1  (default to 71.0)
      * @param fn2  (optional)
      * @param fn3 
+     * @param fn4 
      * @return void
      */
-    open suspend fun test(pi0: kotlin.Int = 10, pi1: kotlin.Int, pn0: kotlin.Double = 10.0.toDouble(), pn1: kotlin.Double, qi0: kotlin.Int? = 10, qi1: kotlin.Int = 71, qi2: kotlin.Int? = null, qi3: kotlin.Int, qn0: kotlin.Double? = 10.0.toDouble(), qn1: kotlin.Double = 71.0.toDouble(), qn2: kotlin.Double? = null, qn3: kotlin.Double, hi0: kotlin.Int? = 10, hi1: kotlin.Int = 71, hi2: kotlin.Int? = null, hi3: kotlin.Int, hn0: kotlin.Double? = 10.0.toDouble(), hn1: kotlin.Double = 71.0.toDouble(), hn2: kotlin.Double? = null, hn3: kotlin.Double, fi0: kotlin.Int? = 10, fi1: kotlin.Int = 71, fi2: kotlin.Int? = null, fi3: kotlin.Int, fn0: kotlin.Double? = 10.0.toDouble(), fn1: kotlin.Double = 71.0.toDouble(), fn2: kotlin.Double? = null, fn3: kotlin.Double): HttpResponse<Unit> {
+    open suspend fun test(pi0: kotlin.Int = 10, pi1: kotlin.Int, pn0: kotlin.Double = 10.0.toDouble(), pn1: kotlin.Double, qi0: kotlin.Int? = 10, qi1: kotlin.Int = 71, qi2: kotlin.Int? = null, qi3: kotlin.Int, qn0: kotlin.Double? = 10.0.toDouble(), qn1: kotlin.Double = 71.0.toDouble(), qn2: kotlin.Double? = null, qn3: kotlin.Double, hi0: kotlin.Int? = 10, hi1: kotlin.Int = 71, hi2: kotlin.Int? = null, hi3: kotlin.Int, hn0: kotlin.Double? = 10.0.toDouble(), hn1: kotlin.Double = 71.0.toDouble(), hn2: kotlin.Double? = null, hn3: kotlin.Double, fi0: kotlin.Int? = 10, fi1: kotlin.Int = 71, fi2: kotlin.Int? = null, fi3: kotlin.Int, fn0: kotlin.Double? = 10.0.toDouble(), fn1: kotlin.Double = 71.0.toDouble(), fn2: kotlin.Double? = null, fn3: kotlin.Double, fn4: kotlin.collections.List<kotlin.String>): HttpResponse<Unit> {
 
         val localVariableAuthNames = listOf<String>()
 
@@ -86,6 +87,7 @@ open class DefaultApi(
                 fn1?.apply { append("fn1", fn1) }
                 fn2?.apply { append("fn2", fn2) }
                 fn3?.apply { append("fn3", fn3) }
+                fn4?.apply { append("fn4", fn4) }
             }
 
         val localVariableQuery = mutableMapOf<String, List<String>>()