agent-framework/dotnet/samples/GettingStarted/Agents/Agent_Step08_Observability/Program.cs

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

// This sample shows how to create and use a simple AI agent with Azure OpenAI as the backend that logs telemetry using OpenTelemetry.

using System;
using Azure.AI.OpenAI;
using Azure.Identity;
using Microsoft.Agents.AI;
using OpenAI;
using OpenTelemetry;
using OpenTelemetry.Trace;

var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";

const string JokerName = "Joker";
const string JokerInstructions = "You are good at telling jokes.";

// Enable telemetry
AppContext.SetSwitch("Microsoft.Extensions.AI.Agents.EnableTelemetry", true);

// Create TracerProvider with console exporter
// This will output the telemetry data to the console.
string sourceName = Guid.NewGuid().ToString("N");
using var tracerProvider = Sdk.CreateTracerProviderBuilder()
    .AddSource(sourceName)
    .AddConsoleExporter()
    .Build();

// Create the agent, and enable OpenTelemetry instrumentation.
AIAgent agent = new AzureOpenAIClient(
    new Uri(endpoint),
    new AzureCliCredential())
     .GetChatClient(deploymentName)
     .CreateAIAgent(JokerInstructions, JokerName)
     .WithOpenTelemetry(sourceName: sourceName);

// Invoke the agent and output the text result.
Console.WriteLine(await agent.RunAsync("Tell me a joke about a pirate."));

// Invoke the agent with streaming support.
await foreach (var update in agent.RunStreamingAsync("Tell me a joke about a pirate."))
{
    Console.WriteLine(update);
}