diff --git a/tsp-output/@azure-tools/typespec-csharp/src/Generated/Chat.cs b/tsp-output/@azure-tools/typespec-csharp/src/Generated/Chat.cs
index f142108fc..453169e22 100644
--- a/tsp-output/@azure-tools/typespec-csharp/src/Generated/Chat.cs
+++ b/tsp-output/@azure-tools/typespec-csharp/src/Generated/Chat.cs
@@ -64,7 +64,7 @@ public virtual ClientResult<CreateChatCompletionResponse> CreateChatCompletion(C
 
             RequestOptions context = FromCancellationToken(cancellationToken);
             using BinaryContent content = createChatCompletionRequest.ToBinaryBody();
-            ClientResult result = CreateChatCompletion(content, context);
+            ClientResult result = CreateChatCompletion(createChatCompletionRequest.V2Feature, content, context);
             return ClientResult.FromValue(CreateChatCompletionResponse.FromResponse(result.GetRawResponse()), result.GetRawResponse());
         }
 
@@ -92,7 +92,7 @@ public virtual async Task<ClientResult> CreateChatCompletionAsync(BinaryContent
         {
             Argument.AssertNotNull(content, nameof(content));
 
-            using PipelineMessage message = CreateCreateChatCompletionRequest(content, context);
+            using PipelineMessage message = CreateCreateChatCompletionRequest(v2Feature: default, content, context);
             return ClientResult.FromResponse(await _pipeline.ProcessMessageAsync(message, context).ConfigureAwait(false));
         }
 
@@ -120,11 +120,20 @@ public virtual ClientResult CreateChatCompletion(BinaryContent content, RequestO
         {
             Argument.AssertNotNull(content, nameof(content));
 
-            using PipelineMessage message = CreateCreateChatCompletionRequest(content, context);
+            using PipelineMessage message = CreateCreateChatCompletionRequest(v2Feature: default, content, context);
             return ClientResult.FromResponse(_pipeline.ProcessMessage(message, context));
         }
 
-        internal PipelineMessage CreateCreateChatCompletionRequest(BinaryContent content, RequestOptions context)
+        public virtual ClientResult CreateChatCompletion(string v2Feature, BinaryContent content, RequestOptions context = null)
+        {
+            Argument.AssertNotNull(content, nameof(content));
+
+            using PipelineMessage message = CreateCreateChatCompletionRequest(v2Feature, content, context);
+            return ClientResult.FromResponse(_pipeline.ProcessMessage(message, context));
+        }
+
+        // Question: is the v2feature property optional or required on the request creation helper method?
+        internal PipelineMessage CreateCreateChatCompletionRequest(string v2Feature, BinaryContent content, RequestOptions context)
         {
             var message = _pipeline.CreateMessage();
             if (context != null)
diff --git a/tsp-output/@azure-tools/typespec-csharp/src/Generated/Models/CreateChatCompletionRequest.cs b/tsp-output/@azure-tools/typespec-csharp/src/Generated/Models/CreateChatCompletionRequest.cs
index 4f23bf189..56c97330a 100644
--- a/tsp-output/@azure-tools/typespec-csharp/src/Generated/Models/CreateChatCompletionRequest.cs
+++ b/tsp-output/@azure-tools/typespec-csharp/src/Generated/Models/CreateChatCompletionRequest.cs
@@ -476,5 +476,7 @@ internal CreateChatCompletionRequest()
         /// A list of functions the model may generate JSON inputs for.
         /// </summary>
         public IList<ChatCompletionFunctions> Functions { get; }
+
+        public string? V2Feature { get; set; }
     }
 }