fixing sample 1 to emit exit event

dotnet/samples/GettingStartedWithProcesses/SharedSteps/ScriptedUserInputStep.cs

@@ -48,22 +48,29 @@ public override ValueTask ActivateAsync(KernelProcessStepState<UserInputState> s
         return ValueTask.CompletedTask;
     }
 
+    internal string GetNextUserMessage()
+    {
+        var userMessage = this._state!.UserInputs[_state.CurrentInputIndex];
+        _state.CurrentInputIndex++;
+
+        Console.ForegroundColor = ConsoleColor.Yellow;
+        Console.WriteLine($"USER: {userMessage}");
+        Console.ResetColor();
+
+        return userMessage;
+    }
+
     /// <summary>
     /// Gets the user input.
+    /// Could be overriden to customize the output events to be emitted
     /// </summary>
     /// <param name="context">An instance of <see cref="KernelProcessStepContext"/> which can be
     /// used to emit events from within a KernelFunction.</param>
     /// <returns>A <see cref="ValueTask"/></returns>
     [KernelFunction(Functions.GetUserInput)]
-    public async ValueTask GetUserInputAsync(KernelProcessStepContext context)
+    public virtual async ValueTask GetUserInputAsync(KernelProcessStepContext context)
     {
-        var userMessage = _state!.UserInputs[_state.CurrentInputIndex];
-        _state.CurrentInputIndex++;
-
-        Console.ForegroundColor = ConsoleColor.Yellow;
-        Console.WriteLine($"USER: {userMessage}");
-        Console.ResetColor();
-
+        var userMessage = this.GetNextUserMessage();
         // Emit the user input
         await context.EmitEventAsync(new() { Id = CommonEvents.UserInputReceived, Data = userMessage });
     }

dotnet/samples/GettingStartedWithProcesses/Step01/Step01_Processes.cs

@@ -95,6 +95,22 @@ public override void PopulateUserInputs(UserInputState state)
             state.UserInputs.Add("How low is the lowest valley?");
             state.UserInputs.Add("How wide is the widest river?");
             state.UserInputs.Add("exit");
+            state.UserInputs.Add("This text will be ignored because exit process condition was already met at this point.");
+        }
+
+        public override async ValueTask GetUserInputAsync(KernelProcessStepContext context)
+        {
+            var userMessage = this.GetNextUserMessage();
+
+            if (userMessage.ToLower() == "exit")
+            {
+                // exit condition met, emitting exit event
+                await context.EmitEventAsync(new() { Id = ChatBotEvents.Exit, Data = userMessage });
+                return;
+            }
+
+            // emitting userInputReceived event
+            await context.EmitEventAsync(new() { Id = CommonEvents.UserInputReceived, Data = userMessage });
         }
     }