// 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 System; using Microsoft.Extensions.AI.Agents; using OpenAI; var apiKey = Environment.GetEnvironmentVariable("OPENAI_APIKEY") ?? throw new InvalidOperationException("OPENAI_APIKEY is not set."); var modelName = Environment.GetEnvironmentVariable("OPENAI_MODEL") ?? "gpt-4o-mini"; const string JokerName = "Joker"; const string JokerInstructions = "You are good at telling jokes."; AIAgent agent = new OpenAIClient( apiKey) .GetChatClient(modelName) .CreateAIAgent(JokerInstructions, JokerName); // Invoke the agent and output the text result. Console.WriteLine(await agent.RunAsync("Tell me a joke about a pirate."));