feat: update sample

src/PromptflowCSharp/Flow2/Flow2.cs

@@ -26,22 +26,16 @@ public Flow2()
 
         }
 
-        [PromptFlow.Tool]
-        public static String CallSimpleLLM(String prompt)
-        {
-            Console.WriteLine("Call simple inline LLM with prompt " + prompt);
-            return prompt;
-        }
-
         public Output Execute(Input inputs)
         {
-            var out1 = CallSimpleLLM(inputs.Prompt);
-            var out2 = SampleTool.SimpleLLM.CallSimpleLLM(out1 as string);
-            return new Output()
-            {
-                Out1 = out1,
-                Out2 = out2,
-            };
+            var output = new Output();
+            // execution code: start
+            var node1 = InternalTool.CallSimpleLLM(inputs.Prompt);
+            var node2 = SampleTool.SimpleLLM.CallSimpleLLM(node1);
+            output.Out1 = node1;
+            output.Out2 = node2;
+            // execution code: end
+            return output;
         }
     }
 }

src/PromptflowCSharp/Flow2/InternalTool.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Flow
+{
+    internal class InternalTool
+    {
+        [PromptFlow.Tool]
+        public static String CallSimpleLLM(String prompt)
+        {
+            Console.WriteLine("Call simple internal LLM with prompt " + prompt);
+            return "Internal Processed " + prompt;
+        }
+
+    }
+}

src/PromptflowCSharp/Flow2/Program.cs

@@ -10,23 +10,9 @@
 
 var flow = new Flow2();
 
-flow.Execute(new Flow2.Input() { Prompt = "test input prompt" });
+var output = flow.Execute(new Flow2.Input() { Prompt = "test input prompt" });
 
-var function = flow.Execute;
-var body = function.GetMethodInfo().GetMethodBody();
+Console.WriteLine($"Executed flow with output:\nOut1: {output.Out1}\nOut2: {output.Out2}");
 
-SyntaxTree tree = CSharpSyntaxTree.ParseText("../../../Flow2.cs");
-CompilationUnitSyntax root = tree.GetCompilationUnitRoot();
-var nodes = root.DescendantNodes().ToList();
-var property = root.DescendantNodes()
-                       .OfType<MethodDeclarationSyntax>()
-                       .Where(md => md.Identifier.ValueText.Equals("Execute"))
-                       .FirstOrDefault();
-var compilation = CSharpCompilation.Create("HelloWorld")
-    .AddReferences(MetadataReference.CreateFromFile(
-        typeof(string).Assembly.Location))
-    .AddSyntaxTrees(tree);
-Parser parser = new Parser();
-parser.Generate("../../../Temp.cs");
 
 Console.WriteLine();

src/PromptflowCSharp/Flow2/Temp.cs

@@ -7,7 +7,7 @@
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-namespace CodeDOMSample
+namespace Flow
 {
     using System;
 

src/PromptflowCSharp/SampleTool/SimpleLLM.cs

@@ -6,7 +6,7 @@ public class SimpleLLM
         public static String CallSimpleLLM(String prompt)
         {
             Console.WriteLine("Call standalone simple LLM with prompt " + prompt);
-            return prompt;
+            return "External Processed " + prompt;
         }
     }
 }