From 184255acfd4a2b4c0a8844ced84ad4209832be65 Mon Sep 17 00:00:00 2001
From: Krzysztof <60486987+Krzysztof318@users.noreply.github.com>
Date: Tue, 9 Jan 2024 13:34:22 +0100
Subject: [PATCH] .Net: Fixed KeyNotFoundExeption in Example09. (#4388)

Added KernelFunction attribute to method
TaskInjectingCultureInfoOrIFormatProviderWithStringResult

### Motivation and Context

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Example09 throws KeyNotFoundException.

### Description

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### Contribution Checklist

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- [x] The code builds clean without any errors or warnings
- [x] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
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---
 .../samples/KernelSyntaxExamples/Example09_FunctionTypes.cs  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dotnet/samples/KernelSyntaxExamples/Example09_FunctionTypes.cs b/dotnet/samples/KernelSyntaxExamples/Example09_FunctionTypes.cs
index 36517c3c25b0..ec872c21dadf 100644
--- a/dotnet/samples/KernelSyntaxExamples/Example09_FunctionTypes.cs
+++ b/dotnet/samples/KernelSyntaxExamples/Example09_FunctionTypes.cs
@@ -52,8 +52,8 @@ public static async Task RunAsync()
         await kernel.InvokeAsync(plugin[nameof(LocalExamplePlugin.TaskInjectingKernelWithInputTextAndStringResult)],
             new()
             {
-                ["textToSummarize"] = @"C# is a modern, versatile language by Microsoft, blending the efficiency of C++ 
-                                            with Visual Basic's simplicity. It's ideal for a wide range of applications, 
+                ["textToSummarize"] = @"C# is a modern, versatile language by Microsoft, blending the efficiency of C++
+                                            with Visual Basic's simplicity. It's ideal for a wide range of applications,
                                             emphasizing type safety, modularity, and modern programming paradigms."
             });
 
@@ -238,6 +238,7 @@ public async Task<string> TaskInjectingServiceSelectorWithStringResult(Kernel ke
     /// <summary>
     /// Example how to inject CultureInfo or IFormatProvider in your function
     /// </summary>
+    [KernelFunction]
     public async Task<string> TaskInjectingCultureInfoOrIFormatProviderWithStringResult(CultureInfo cultureInfo, IFormatProvider formatProvider)
     {
         var result = $"Culture Name: {cultureInfo.Name}, FormatProvider Equals CultureInfo?: {formatProvider.Equals(cultureInfo)}";