Files
westeyandGitHub a3a9147e61 .NET: [BREAKING] Rename AgentThread to AgentSession (#3430)
* Rename AgentThread to AgentSession

* Add more renames

* Update readme files

* Revert nullable variable change and further fixes.

* Revert change in header name

* Fix some comments and tests

* Update changelog.

* Address PR feedback.

* Fixing code review comments.

* Fix new errors after merging latest code.
2026-01-26 16:30:25 +00:00

42 lines
1.8 KiB
C#

// Copyright (c) Microsoft. All rights reserved.
// This sample shows how to create and use a simple AI agent with OpenAI Assistants as the backend.
// WARNING: The Assistants API is deprecated and will be shut down.
// For more information see the OpenAI documentation: https://platform.openai.com/docs/assistants/migration
#pragma warning disable CS0618 // Type or member is obsolete - OpenAI Assistants API is deprecated but still used in this sample
using Microsoft.Agents.AI;
using OpenAI;
using OpenAI.Assistants;
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";
const string JokerName = "Joker";
const string JokerInstructions = "You are good at telling jokes.";
// Get a client to create/retrieve server side agents with.
var assistantClient = new OpenAIClient(apiKey).GetAssistantClient();
// You can create a server side assistant with the OpenAI SDK.
var createResult = await assistantClient.CreateAssistantAsync(model, new() { Name = JokerName, Instructions = JokerInstructions });
// You can retrieve an already created server side assistant as an AIAgent.
AIAgent agent1 = await assistantClient.GetAIAgentAsync(createResult.Value.Id);
// You can also create a server side assistant and return it as an AIAgent directly.
AIAgent agent2 = await assistantClient.CreateAIAgentAsync(
model: model,
name: JokerName,
instructions: JokerInstructions);
// You can invoke the agent like any other AIAgent.
AgentSession session = await agent1.GetNewSessionAsync();
Console.WriteLine(await agent1.RunAsync("Tell me a joke about a pirate.", session));
// Cleanup for sample purposes.
await assistantClient.DeleteAssistantAsync(agent1.Id);
await assistantClient.DeleteAssistantAsync(agent2.Id);