Got basic file writing working.

package-lock.json

@@ -0,0 +1,4 @@
+{
+  "name": "@autorest/csharp-v3",
+  "lockfileVersion": 1
+}

package.json

@@ -6,4 +6,4 @@
   "scripts": {
     "start": "dotnet ./bin/AutoRest.CSharp.V3.dll --server"
   }
-}
+}

readme.md

@@ -3,16 +3,34 @@
 
 ## Configuration
 ```yaml
-clear-output-folder: false
-azure-track2-csharp: true
-
 use-extension:
   "@autorest/remodeler" : "~2.0.4"
 
 pipeline:
+  remodeler:
+    input: openapi-document/multi-api/identity
   csharp-v3:
     input: remodeler
+  csharp-v3/emitter:
+    input: csharp-v3
+    scope: output-info
 
-output-artifact:
-  - source-file-csharp
+output-info:
+  output-artifact: source-file-csharp
+
+#     emitter:
+#     input: csharp-v3
+#     scope: output-info
+#     # output-artifact: source-file-csharp
+
+# output-info:
+#   # is-object: false
+#   output-artifact: source-file-csharp
+#   # output-artifact:
+#   #   - source-file-csharp
+#   #   - source-file-csproj
+#   #   - source-file-powershell
+#   #   - source-file-other
+#   #   - binary-file
+#   #   - preserved-files
 ```

src/Dispatcher.cs

@@ -18,6 +18,22 @@ namespace AutoRest.CSharp.V3
             }
 
             var codeModel = await ReadFile(files.First());
+            var file = new Message
+            {
+                Channel = "file",
+                Details = new
+                {
+                    content = codeModel,
+                    type = "source-file-csharp",
+                    uri = "CodeModel.yaml"
+                },
+                //Text = codeModel,
+                //Key = new[] { "source-file-csharp", "CodeModel.yaml" }
+            };
+            //Message(new Message {Text = codeModel, Channel = "fatal"});
+            Message(file);
+            //WriteFile("CodeModel.yaml", codeModel, null);
+            //Console.WriteLine("Got here");
             return true;
         }
     }

src/Program.cs

@@ -15,7 +15,7 @@ namespace AutoRest.CSharp.V3
                 return 1;
             }
 
-            using var connection = new Connection(Console.OpenStandardOutput(), Console.OpenStandardInput());
+            var connection = new Connection(Console.OpenStandardOutput(), Console.OpenStandardInput());
             connection.Dispatch<IEnumerable<string>>("GetPluginNames", async () => new[] { "csharp-v3" });
             connection.Dispatch<string, string, bool>("Process", (plugin, sessionId) => new Dispatcher(connection, plugin, sessionId).Process());
             connection.DispatchNotification("Shutdown", connection.Stop);