// Copyright (c) Microsoft. All rights reserved. // This sample shows how to create and use a simple AI agent with OpenAI Chat Completion as the backend. using Microsoft.Agents.AI; using Microsoft.Extensions.AI; using OpenAI; using OpenAI.Chat; var apiKey = Environment.GetEnvironmentVariable("OPENAI_API_KEY") ?? throw new InvalidOperationException("OPENAI_API_KEY is not set."); var model = Environment.GetEnvironmentVariable("OPENAI_MODEL") ?? "gpt-4o-mini"; AIAgent agent = new OpenAIClient( apiKey) .GetChatClient(model) .AsAIAgent(instructions: "You are good at telling jokes.", name: "Joker"); // Invoke the agent and output the text result. Console.WriteLine(await agent.RunAsync("Tell me a joke about a pirate."));