agent-framework/dotnet/samples/GettingStarted/FoundryAgents/FoundryAgents_Step10_UsingImages/Program.cs

// Copyright (c) Microsoft. All rights reserved.

// This sample shows how to use Image Multi-Modality with an AI agent.

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";

const string VisionInstructions = "You are a helpful agent that can analyze images";
const string VisionName = "VisionAgent";

// Get a client to create/retrieve/delete server side agents with Azure Foundry Agents.
AIProjectClient aiProjectClient = new(new Uri(endpoint), new AzureCliCredential());

// Define the agent you want to create. (Prompt Agent in this case)
AIAgent agent = await aiProjectClient.CreateAIAgentAsync(name: VisionName, model: deploymentName, instructions: VisionInstructions);

ChatMessage message = new(ChatRole.User, [
    new TextContent("What do you see in this image?"),
    new DataContent(File.ReadAllBytes("assets/walkway.jpg"), "image/jpeg")
]);

AgentThread thread = await agent.GetNewThreadAsync();

await foreach (AgentResponseUpdate update in agent.RunStreamingAsync(message, thread))
{
    Console.WriteLine(update);
}

// Cleanup by agent name removes the agent version created.
await aiProjectClient.Agents.DeleteAgentAsync(agent.Name);