Files
microsoft--semantic-kernel/dotnet/samples/Concepts/ChatCompletion/OpenAI_RepeatedFunctionCalling.cs
T
wehub-resource-sync b957a53def
CodeQL / Analyze (csharp) (push) Has been cancelled
CodeQL / Analyze (python) (push) Has been cancelled
chore: import upstream snapshot with attribution
2026-07-13 13:21:23 +08:00

77 lines
3.3 KiB
C#

// Copyright (c) Microsoft. All rights reserved.
using System.ComponentModel;
using Microsoft.SemanticKernel;
using Microsoft.SemanticKernel.ChatCompletion;
using Microsoft.SemanticKernel.Connectors.OpenAI;
namespace ChatCompletion;
/// <summary>
/// Sample shows how to the model will reuse a function result from the chat history.
/// </summary>
public sealed class OpenAI_RepeatedFunctionCalling(ITestOutputHelper output) : BaseTest(output)
{
/// <summary>
/// Sample shows a chat history where each ask requires a function to be called but when
/// an ask is repeated the model will reuse the previous function result.
/// </summary>
[Fact]
public async Task ReuseFunctionResultExecutionAsync()
{
// Create a kernel with OpenAI chat completion and WeatherPlugin
Kernel kernel = CreateKernelWithPlugin<WeatherPlugin>();
var service = kernel.GetRequiredService<IChatCompletionService>();
// Invoke chat prompt with auto invocation of functions enabled
var chatHistory = new ChatHistory
{
new ChatMessageContent(AuthorRole.User, "What is the weather like in Boston?")
};
var executionSettings = new OpenAIPromptExecutionSettings { FunctionChoiceBehavior = FunctionChoiceBehavior.Auto() };
var result1 = await service.GetChatMessageContentAsync(chatHistory, executionSettings, kernel);
chatHistory.Add(result1);
Console.WriteLine(result1);
chatHistory.Add(new ChatMessageContent(AuthorRole.User, "What is the weather like in Paris?"));
var result2 = await service.GetChatMessageContentAsync(chatHistory, executionSettings, kernel);
chatHistory.Add(result2);
Console.WriteLine(result2);
chatHistory.Add(new ChatMessageContent(AuthorRole.User, "What is the weather like in Dublin?"));
var result3 = await service.GetChatMessageContentAsync(chatHistory, executionSettings, kernel);
chatHistory.Add(result3);
Console.WriteLine(result3);
chatHistory.Add(new ChatMessageContent(AuthorRole.User, "What is the weather like in Boston?"));
var result4 = await service.GetChatMessageContentAsync(chatHistory, executionSettings, kernel);
chatHistory.Add(result4);
Console.WriteLine(result4);
}
private sealed class WeatherPlugin
{
[KernelFunction]
[Description("Get the current weather in a given location.")]
public string GetWeather(
[Description("The city and department, e.g. Marseille, 13")] string location
) => $"12°C\nWind: 11 KMPH\nHumidity: 48%\nMostly cloudy\nLocation: {location}";
}
private Kernel CreateKernelWithPlugin<T>()
{
// Create a logging handler to output HTTP requests and responses
var handler = new LoggingHandler(new HttpClientHandler(), this.Output);
HttpClient httpClient = new(handler);
// Create a kernel with OpenAI chat completion and WeatherPlugin
IKernelBuilder kernelBuilder = Kernel.CreateBuilder();
kernelBuilder.AddOpenAIChatCompletion(
modelId: TestConfiguration.OpenAI.ChatModelId!,
apiKey: TestConfiguration.OpenAI.ApiKey!,
httpClient: httpClient);
kernelBuilder.Plugins.AddFromType<T>();
Kernel kernel = kernelBuilder.Build();
return kernel;
}
}