test

dotnet/samples/GettingStarted/AgentProviders/Agent_With_OpenAIAssistants/Agent_With_OpenAIAssistants.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFrameworks>net10.0</TargetFrameworks>
+
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\..\src\Microsoft.Agents.AI.OpenAI\Microsoft.Agents.AI.OpenAI.csproj" />
+  </ItemGroup>
+
+</Project>

dotnet/samples/GettingStarted/AgentProviders/Agent_With_OpenAIAssistants/Program.cs

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+// 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+#pragma warning disable CS0618 // Type or member is obsolete - OpenAI Assistants API is deprecated but still used in this sample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.
+AgentThread thread = await agent1.GetNewThreadAsync();
+Console.WriteLine(await agent1.RunAsync("Tell me a joke about a pirate.", thread));
+
+// Cleanup for sample purposes.
+await assistantClient.DeleteAssistantAsync(agent1.Id);
+await assistantClient.DeleteAssistantAsync(agent2.Id);

dotnet/samples/GettingStarted/AgentProviders/Agent_With_OpenAIAssistants/README.md

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+# Prerequisites
+
+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
+
+Before you begin, ensure you have the following prerequisites:
+
+- .NET 10 SDK or later
+- OpenAI API key
+
+Set the following environment variables:
+
+```powershell
+$env:OPENAI_API_KEY="*****" # Replace with your OpenAI API key
+$env:OPENAI_MODEL="gpt-4o-mini"  # Optional, defaults to gpt-4o-mini
+```