chore: import upstream snapshot with attribution

dotnet/samples/GettingStarted/Step6_Responsible_AI.cs

@@ -0,0 +1,61 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.SemanticKernel;
+
+namespace GettingStarted;
+
+public sealed class Step6_Responsible_AI(ITestOutputHelper output) : BaseTest(output)
+{
+    /// <summary>
+    /// Show how to use prompt filters to ensure that prompts are rendered in a responsible manner.
+    /// </summary>
+    [Fact]
+    public async Task AddPromptFilter()
+    {
+        // Create a kernel with OpenAI chat completion
+        var builder = Kernel.CreateBuilder()
+            .AddOpenAIChatClient(
+                modelId: TestConfiguration.OpenAI.ChatModelId,
+                apiKey: TestConfiguration.OpenAI.ApiKey);
+
+        builder.Services.AddSingleton<ITestOutputHelper>(this.Output);
+
+        // Add prompt filter to the kernel
+        builder.Services.AddSingleton<IPromptRenderFilter, PromptFilter>();
+
+        var kernel = builder.Build();
+
+        KernelArguments arguments = new() { { "card_number", "4444 3333 2222 1111" } };
+
+        var result = await kernel.InvokePromptAsync("Tell me some useful information about this credit card number {{$card_number}}?", arguments);
+
+        Console.WriteLine(result);
+
+        // Output: Sorry, but I can't assist with that.
+    }
+
+    private sealed class PromptFilter(ITestOutputHelper output) : IPromptRenderFilter
+    {
+        private readonly ITestOutputHelper _output = output;
+
+        /// <summary>
+        /// Method which is called asynchronously before prompt rendering.
+        /// </summary>
+        /// <param name="context">Instance of <see cref="PromptRenderContext"/> with prompt rendering details.</param>
+        /// <param name="next">Delegate to the next filter in pipeline or prompt rendering operation itself. If it's not invoked, next filter or prompt rendering won't be invoked.</param>
+        public async Task OnPromptRenderAsync(PromptRenderContext context, Func<PromptRenderContext, Task> next)
+        {
+            if (context.Arguments.ContainsName("card_number"))
+            {
+                context.Arguments["card_number"] = "**** **** **** ****";
+            }
+
+            await next(context);
+
+            context.RenderedPrompt += " NO SEXISM, RACISM OR OTHER BIAS/BIGOTRY";
+
+            this._output.WriteLine(context.RenderedPrompt);
+        }
+    }
+}