diff --git a/packages/http-client-csharp/generator/Microsoft.Generator.CSharp.ClientModel/src/Providers/RestClientProvider.cs b/packages/http-client-csharp/generator/Microsoft.Generator.CSharp.ClientModel/src/Providers/RestClientProvider.cs
index 9aad66c8d5..659350c73e 100644
--- a/packages/http-client-csharp/generator/Microsoft.Generator.CSharp.ClientModel/src/Providers/RestClientProvider.cs
+++ b/packages/http-client-csharp/generator/Microsoft.Generator.CSharp.ClientModel/src/Providers/RestClientProvider.cs
@@ -147,12 +147,19 @@ .. AppendPathParameters(uri, operation, paramMap),
                     .. AppendQueryParameters(uri, operation, paramMap),
                     request.Uri().Assign(uri.ToUri()).Terminate(),
                     .. AppendHeaderParameters(request, operation, paramMap),
+                    .. GetSetContent(request, signature.Parameters),
                     message.Apply(options).Terminate(),
                     Return(message)
                 ]),
                 this);
         }
 
+        private IReadOnlyList<MethodBodyStatement> GetSetContent(ScopedApi<PipelineRequest> request, IReadOnlyList<ParameterProvider> parameters)
+        {
+            var contentParam = parameters.FirstOrDefault(p => ReferenceEquals(p, ScmKnownParameters.BinaryContent));
+            return contentParam is null ? [] : [request.SetContent(contentParam)];
+        }
+
         private PropertyProvider GetClassifier(InputOperation operation)
         {
             if (operation.HttpMethod == HttpMethod.Head.ToString())
diff --git a/packages/http-client-csharp/generator/Microsoft.Generator.CSharp.ClientModel/src/Snippets/PipelineRequestSnippets.cs b/packages/http-client-csharp/generator/Microsoft.Generator.CSharp.ClientModel/src/Snippets/PipelineRequestSnippets.cs
index feb7942dde..0991f159ca 100644
--- a/packages/http-client-csharp/generator/Microsoft.Generator.CSharp.ClientModel/src/Snippets/PipelineRequestSnippets.cs
+++ b/packages/http-client-csharp/generator/Microsoft.Generator.CSharp.ClientModel/src/Snippets/PipelineRequestSnippets.cs
@@ -20,5 +20,8 @@ public static MethodBodyStatement SetMethod(this ScopedApi<PipelineRequest> pipe
 
         public static MethodBodyStatement SetHeaderValue(this ScopedApi<PipelineRequest> pipelineRequest, string name, ValueExpression value)
             => pipelineRequest.Property(nameof(PipelineRequest.Headers)).Invoke(nameof(PipelineRequestHeaders.Set), Literal(name), value).Terminate();
+
+        public static MethodBodyStatement SetContent(this ScopedApi<PipelineRequest> pipelineRequest, ValueExpression content)
+            => pipelineRequest.Property(nameof(PipelineRequest.Content)).Assign(content).Terminate();
     }
 }
diff --git a/packages/http-client-csharp/generator/TestProjects/Local/Unbranded-TypeSpec/src/Generated/UnbrandedTypeSpecClient.RestClient.cs b/packages/http-client-csharp/generator/TestProjects/Local/Unbranded-TypeSpec/src/Generated/UnbrandedTypeSpecClient.RestClient.cs
index 0afc233986..f8cf41d8fb 100644
--- a/packages/http-client-csharp/generator/TestProjects/Local/Unbranded-TypeSpec/src/Generated/UnbrandedTypeSpecClient.RestClient.cs
+++ b/packages/http-client-csharp/generator/TestProjects/Local/Unbranded-TypeSpec/src/Generated/UnbrandedTypeSpecClient.RestClient.cs
@@ -56,6 +56,7 @@ internal PipelineMessage CreateHelloAgainRequest(string p1, string p2, BinaryCon
             request.Headers.Set("p1", p1);
             request.Headers.Set("Content-Type", "text/plain");
             request.Headers.Set("Accept", "application/json");
+            request.Content = content;
             message.Apply(options);
             return message;
         }
@@ -74,6 +75,7 @@ internal PipelineMessage CreateNoContentTypeRequest(string p1, string p2, Binary
             request.Headers.Set("p1", p1);
             request.Headers.Set("Content-Type", "application/json");
             request.Headers.Set("Accept", "application/json");
+            request.Content = content;
             message.Apply(options);
             return message;
         }
@@ -105,6 +107,7 @@ internal PipelineMessage CreateCreateLiteralRequest(BinaryContent content, Reque
             request.Uri = uri.ToUri();
             request.Headers.Set("Content-Type", "application/json");
             request.Headers.Set("Accept", "application/json");
+            request.Content = content;
             message.Apply(options);
             return message;
         }
@@ -170,6 +173,7 @@ internal PipelineMessage CreatePatchActionRequest(BinaryContent content, Request
             request.Uri = uri.ToUri();
             request.Headers.Set("Content-Type", "application/json");
             request.Headers.Set("Accept", "application/json");
+            request.Content = content;
             message.Apply(options);
             return message;
         }
@@ -279,6 +283,7 @@ internal PipelineMessage CreateInternalProtocolRequest(BinaryContent content, Re
             request.Uri = uri.ToUri();
             request.Headers.Set("Content-Type", "application/json");
             request.Headers.Set("Accept", "application/json");
+            request.Content = content;
             message.Apply(options);
             return message;
         }