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dotnet/samples/GettingStarted/FoundryAgents/FoundryAgents_Step11_AsFunctionTool/Program.cs

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+// Copyright (c) Microsoft. All rights reserved.
+
+// This sample shows how to create and use an Azure Foundry Agents AI agent as a function tool.
+
+using System.ComponentModel;
+using Azure.AI.Projects;
+using Azure.Identity;
+using Microsoft.Agents.AI;
+using Microsoft.Extensions.AI;
+
+string endpoint = Environment.GetEnvironmentVariable("AZURE_FOUNDRY_PROJECT_ENDPOINT") ?? throw new InvalidOperationException("AZURE_FOUNDRY_PROJECT_ENDPOINT is not set.");
+string deploymentName = Environment.GetEnvironmentVariable("AZURE_FOUNDRY_PROJECT_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
+
+const string WeatherInstructions = "You answer questions about the weather.";
+const string WeatherName = "WeatherAgent";
+const string MainInstructions = "You are a helpful assistant who responds in French.";
+const string MainName = "MainAgent";
+
+[Description("Get the weather for a given location.")]
+static string GetWeather([Description("The location to get the weather for.")] string location)
+    => $"The weather in {location} is cloudy with a high of 15°C.";
+
+// Get a client to create/retrieve/delete server side agents with Azure Foundry Agents.
+AIProjectClient aiProjectClient = new(new Uri(endpoint), new AzureCliCredential());
+
+// Create the weather agent with function tools.
+AITool weatherTool = AIFunctionFactory.Create(GetWeather);
+AIAgent weatherAgent = await aiProjectClient.CreateAIAgentAsync(
+    name: WeatherName,
+    model: deploymentName,
+    instructions: WeatherInstructions,
+    tools: [weatherTool]);
+
+// Create the main agent, and provide the weather agent as a function tool.
+AIAgent agent = await aiProjectClient.CreateAIAgentAsync(
+    name: MainName,
+    model: deploymentName,
+    instructions: MainInstructions,
+    tools: [weatherAgent.AsAIFunction()]);
+
+// Invoke the agent and output the text result.
+AgentThread thread = await agent.GetNewThreadAsync();
+Console.WriteLine(await agent.RunAsync("What is the weather like in Amsterdam?", thread));
+
+// Cleanup by agent name removes the agent versions created.
+await aiProjectClient.Agents.DeleteAgentAsync(agent.Name);
+await aiProjectClient.Agents.DeleteAgentAsync(weatherAgent.Name);