Π’Π°Π·ΠΈ ΡΠ΅ΡΡΠ°Π΄ΠΊΠ° Π΄Π΅ΠΌΠΎΠ½ΡΡΡΠΈΡΠ° ΠΌΠΎΠ΄Π΅Π»ΠΈ Π·Π° ΠΈΠ½ΡΠ΅Π³ΡΠ°ΡΠΈΡ Π½Π° ΠΈΠ½ΡΡΡΡΠΌΠ΅Π½ΡΠΈ Π½Π° ΠΊΠΎΡΠΏΠΎΡΠ°ΡΠΈΠ²Π½ΠΎ Π½ΠΈΠ²ΠΎ, ΠΈΠ·ΠΏΠΎΠ»Π·Π²Π°ΠΉΠΊΠΈ Microsoft Agent Framework Π² .NET Ρ Azure OpenAI (Responses API). Π©Π΅ Π½Π°ΡΡΠΈΡΠ΅ ΠΊΠ°ΠΊ Π΄Π° ΠΈΠ·Π³ΡΠ°ΠΆΠ΄Π°ΡΠ΅ ΡΠ»ΠΎΠΆΠ½ΠΈ Π°Π³Π΅Π½ΡΠΈ Ρ ΠΌΠ½ΠΎΠΆΠ΅ΡΡΠ²ΠΎ ΡΠΏΠ΅ΡΠΈΠ°Π»ΠΈΠ·ΠΈΡΠ°Π½ΠΈ ΠΈΠ½ΡΡΡΡΠΌΠ΅Π½ΡΠΈ, ΠΈΠ·ΠΏΠΎΠ»Π·Π²Π°ΠΉΠΊΠΈ ΡΠΈΠ»Π½Π°ΡΠ° ΡΠΈΠΏΠΈΠ·Π°ΡΠΈΡ Π½Π° C# ΠΈ ΠΊΠΎΡΠΏΠΎΡΠ°ΡΠΈΠ²Π½ΠΈΡΠ΅ ΡΡΠ½ΠΊΡΠΈΠΈ Π½Π° .NET.
graph LR
A[ΠΠ°ΡΠ²ΠΊΠ° ΠΎΡ ΠΏΠΎΡΡΠ΅Π±ΠΈΡΠ΅Π»] --> B[ΠΠ½Π°Π»ΠΈΠ· Π½Π° Π°Π³Π΅Π½ΡΠ°]
B --> C[ΠΠ·Π±ΠΎΡ Π½Π° ΠΈΠ½ΡΡΡΡΠΌΠ΅Π½Ρ]
C --> D[ΠΡΠΎΠ²Π΅ΡΠΊΠ° Π½Π° ΡΠΈΠΏΠ°]
B --> E[Π‘Π²ΡΡΠ·Π²Π°Π½Π΅ Π½Π° ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΈ]
E --> F[ΠΠ·ΠΏΡΠ»Π½Π΅Π½ΠΈΠ΅ Π½Π° ΠΈΠ½ΡΡΡΡΠΌΠ΅Π½ΡΠ°]
C --> F
F --> G[ΠΠ±ΡΠ°Π±ΠΎΡΠΊΠ° Π½Π° ΡΠ΅Π·ΡΠ»ΡΠ°ΡΠ°]
D --> G
G --> H[ΠΡΠ³ΠΎΠ²ΠΎΡ]
ΠΠΎΡΠΎΠ²ΠΈ Π»ΠΈ ΡΡΠ΅ Π΄Π° ΠΈΠ·Π³ΡΠ°Π΄ΠΈΡΠ΅ Π°Π³Π΅Π½ΡΠΈ Π½Π° ΠΊΠΎΡΠΏΠΎΡΠ°ΡΠΈΠ²Π½ΠΎ Π½ΠΈΠ²ΠΎ Ρ ΠΌΠΎΡΠ½ΠΈ, ΡΠΈΠΏΠΎΠ±Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΈ Π²ΡΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ Π² .NET? ΠΠ° ΡΡΠ·Π΄Π°Π΄Π΅ΠΌ ΠΏΡΠΎΡΠ΅ΡΠΈΠΎΠ½Π°Π»Π½ΠΈ ΡΠ΅ΡΠ΅Π½ΠΈΡ! π’β‘
az login# zsh/bash
export AZURE_OPENAI_ENDPOINT=https://<your-resource>.openai.azure.com
export AZURE_OPENAI_DEPLOYMENT=gpt-4.1-mini
# ΠΠ»Π΅Π·ΡΠ΅, Π·Π° Π΄Π° ΠΌΠΎΠΆΠ΅ AzureCliCredential Π΄Π° ΠΏΠΎΠ»ΡΡΠΈ ΡΠΎΠΊΠ΅Π½
az login
# PowerShell
$env:AZURE_OPENAI_ENDPOINT = "https://<your-resource>.openai.azure.com"
$env:AZURE_OPENAI_DEPLOYMENT = "gpt-4.1-mini"
# Π‘Π»Π΅Π΄ ΡΠΎΠ²Π° Π²Π»Π΅Π·ΡΠ΅, Π·Π° Π΄Π° ΠΌΠΎΠΆΠ΅ AzureCliCredential Π΄Π° ΠΏΠΎΠ»ΡΡΠΈ ΡΠΎΠΊΠ΅Π½
az login
ΠΠ° Π΄Π° ΡΡΠ°ΡΡΠΈΡΠ°ΡΠ΅ ΠΏΡΠΈΠΌΠ΅ΡΠ° Ρ ΠΊΠΎΠ΄,
# zsh/bash
chmod +x ./04-dotnet-agent-framework.cs
./04-dotnet-agent-framework.cs
ΠΠ»ΠΈ ΠΈΠ·ΠΏΠΎΠ»Π·Π²Π°ΠΉΡΠ΅ dotnet CLI:
dotnet run ./04-dotnet-agent-framework.cs
ΠΠΈΠΆΡΠ΅ 04-dotnet-agent-framework.cs Π·Π° ΠΏΡΠ»Π½ΠΈΡ ΠΊΠΎΠ΄.
#!/usr/bin/dotnet run
#:package Microsoft.Extensions.AI@10.*
#:package Microsoft.Agents.AI.OpenAI@1.*-*
#:package Azure.AI.OpenAI@2.1.0
#:package Azure.Identity@1.13.1
using System.ComponentModel;
using Microsoft.Agents.AI;
using Microsoft.Extensions.AI;
using Azure.AI.OpenAI;
using Azure.Identity;
// Tool Function: Random Destination Generator
// This static method will be available to the agent as a callable tool
// The [Description] attribute helps the AI understand when to use this function
// This demonstrates how to create custom tools for AI agents
[Description("Provides a random vacation destination.")]
static string GetRandomDestination()
{
// List of popular vacation destinations around the world
// The agent will randomly select from these options
var destinations = new List<string>
{
"Paris, France",
"Tokyo, Japan",
"New York City, USA",
"Sydney, Australia",
"Rome, Italy",
"Barcelona, Spain",
"Cape Town, South Africa",
"Rio de Janeiro, Brazil",
"Bangkok, Thailand",
"Vancouver, Canada"
};
// Generate random index and return selected destination
// Uses System.Random for simple random selection
var random = new Random();
int index = random.Next(destinations.Count);
return destinations[index];
}
// Azure OpenAI with the Responses API (stable v1 endpoint). Sign in with `az login`.
var azureEndpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT")
?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
var deployment = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT") ?? "gpt-4.1-mini";
var azureClient = new AzureOpenAIClient(new Uri(azureEndpoint), new AzureCliCredential());
// Define Agent Identity and Comprehensive Instructions
// Agent name for identification and logging purposes
var AGENT_NAME = "TravelAgent";
// Detailed instructions that define the agent's personality, capabilities, and behavior
// This system prompt shapes how the agent responds and interacts with users
var AGENT_INSTRUCTIONS = """
You are a helpful AI Agent that can help plan vacations for customers.
Important: When users specify a destination, always plan for that location. Only suggest random destinations when the user hasn't specified a preference.
When the conversation begins, introduce yourself with this message:
"Hello! I'm your TravelAgent assistant. I can help plan vacations and suggest interesting destinations for you. Here are some things you can ask me:
1. Plan a day trip to a specific location
2. Suggest a random vacation destination
3. Find destinations with specific features (beaches, mountains, historical sites, etc.)
4. Plan an alternative trip if you don't like my first suggestion
What kind of trip would you like me to help you plan today?"
Always prioritize user preferences. If they mention a specific destination like "Bali" or "Paris," focus your planning on that location rather than suggesting alternatives.
""";
// Create AI Agent with Advanced Travel Planning Capabilities
// Get the Responses client for the deployment and create the AI agent
// Configure agent with name, detailed instructions, and available tools
// This demonstrates the .NET agent creation pattern with full configuration
AIAgent agent = azureClient
.GetChatClient(deployment)
.AsAIAgent(
name: AGENT_NAME,
instructions: AGENT_INSTRUCTIONS,
tools: [AIFunctionFactory.Create(GetRandomDestination)]
);
// Create New Conversation Session for Context Management
// Initialize a new conversation session to maintain context across multiple interactions
// Sessions enable the agent to remember previous exchanges and maintain conversational state
// This is essential for multi-turn conversations and contextual understanding
await using var session = await agent.CreateSessionAsync();
// Execute Agent: First Travel Planning Request
// Run the agent with an initial request that will likely trigger the random destination tool
// The agent will analyze the request, use the GetRandomDestination tool, and create an itinerary
// Using the session parameter maintains conversation context for subsequent interactions
await foreach (var update in agent.RunStreamingAsync("Plan me a day trip", session))
{
await Task.Delay(10);
Console.Write(update);
}
Console.WriteLine();
// Execute Agent: Follow-up Request with Context Awareness
// Demonstrate contextual conversation by referencing the previous response
// The agent remembers the previous destination suggestion and will provide an alternative
// This showcases the power of conversation sessions and contextual understanding in .NET agents
await foreach (var update in agent.RunStreamingAsync("I don't like that destination. Plan me another vacation.", session))
{
await Task.Delay(10);
Console.Write(update);
}
ΠΡΠΊΠ°Π· ΠΎΡ ΠΎΡΠ³ΠΎΠ²ΠΎΡΠ½ΠΎΡΡ: Π’ΠΎΠ·ΠΈ Π΄ΠΎΠΊΡΠΌΠ΅Π½Ρ Π΅ ΠΏΡΠ΅Π²Π΅Π΄Π΅Π½ Ρ ΠΏΠΎΠΌΠΎΡΡΠ° Π½Π° AI ΠΏΡΠ΅Π²ΠΎΠ΄Π°ΡΠ΅ΡΠΊΠΈ ΡΡΠ»ΡΠ³Π° Co-op Translator. ΠΡΠΏΡΠ΅ΠΊΠΈ ΡΠ΅ ΡΠ΅ ΡΡΡΠ΅ΠΌΠΈΠΌ ΠΊΡΠΌ ΡΠΎΡΠ½ΠΎΡΡ, ΠΌΠΎΠ»Ρ ΠΈΠΌΠ°ΠΉΡΠ΅ ΠΏΡΠ΅Π΄Π²ΠΈΠ΄, ΡΠ΅ Π°Π²ΡΠΎΠΌΠ°ΡΠΈΠ·ΠΈΡΠ°Π½ΠΈΡΠ΅ ΠΏΡΠ΅Π²ΠΎΠ΄ΠΈ ΠΌΠΎΠ³Π°Ρ Π΄Π° ΡΡΠ΄ΡΡΠΆΠ°Ρ Π³ΡΠ΅ΡΠΊΠΈ ΠΈΠ»ΠΈ Π½Π΅ΡΠΎΡΠ½ΠΎΡΡΠΈ. ΠΡΠΈΠ³ΠΈΠ½Π°Π»Π½ΠΈΡΡ Π΄ΠΎΠΊΡΠΌΠ΅Π½Ρ Π½Π° Π½Π΅Π³ΠΎΠ²ΠΈΡ ΡΠΎΠ΄Π΅Π½ Π΅Π·ΠΈΠΊ ΡΡΡΠ±Π²Π° Π΄Π° ΡΠ΅ ΡΡΠΈΡΠ° Π·Π° Π°Π²ΡΠΎΡΠΈΡΠ΅ΡΠ΅Π½ ΠΈΠ·ΡΠΎΡΠ½ΠΈΠΊ. ΠΠ° ΠΊΡΠΈΡΠΈΡΠ½Π° ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΡ ΡΠ΅ ΠΏΡΠ΅ΠΏΠΎΡΡΡΠ²Π° ΠΏΡΠΎΡΠ΅ΡΠΈΠΎΠ½Π°Π»Π΅Π½ ΡΠΎΠ²Π΅ΡΠΊΠΈ ΠΏΡΠ΅Π²ΠΎΠ΄. ΠΠΈΠ΅ Π½Π΅ Π½ΠΎΡΠΈΠΌ ΠΎΡΠ³ΠΎΠ²ΠΎΡΠ½ΠΎΡΡ Π·Π° ΠΊΠ°ΠΊΠ²ΠΈΡΠΎ ΠΈ Π΄Π° Π΅ Π½Π΅Π΄ΠΎΡΠ°Π·ΡΠΌΠ΅Π½ΠΈΡ ΠΈΠ»ΠΈ Π½Π΅ΠΏΡΠ°Π²ΠΈΠ»Π½ΠΈ ΡΡΠ»ΠΊΡΠ²Π°Π½ΠΈΡ, ΠΏΡΠΎΠΈΠ·ΡΠΈΡΠ°ΡΠΈ ΠΎΡ ΠΈΠ·ΠΏΠΎΠ»Π·Π²Π°Π½Π΅ΡΠΎ Π½Π° ΡΠΎΠ·ΠΈ ΠΏΡΠ΅Π²ΠΎΠ΄.