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Use explicit types and AsAIAgent() extensions across all HostedAgents samples

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Replace var with explicit types for clarity in all 6 samples. Replace
new ChatClientAgent() constructor calls with chatClient.AsAIAgent()
extension method in AgentWithLocalTools and AgentsInWorkflows.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
Roger Barreto
2026-03-05 12:49:06 +00:00
Unverified
parent db6023b0fc
commit b28847f1e4
6 changed files with 30 additions and 30 deletions
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dotnet/samples/05-end-to-end/HostedAgents/AgentThreadAndHITL/Program.cs
+3 -3
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@@ -13,8 +13,8 @@ using Microsoft.Agents.AI;
using Microsoft.Extensions.AI;
using OpenAI.Chat;
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";
string endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
[Description("Get the weather for a given location.")]
static string GetWeather([Description("The location to get the weather for.")] string location)
@@ -37,5 +37,5 @@ AIAgent agent = new AzureOpenAIClient(
);
#pragma warning restore MEAI001
var threadRepository = new InMemoryAgentThreadRepository(agent);
InMemoryAgentThreadRepository threadRepository = new(agent);
await agent.RunAIAgentAsync(telemetrySourceName: "Agents", threadRepository: threadRepository);
dotnet/samples/05-end-to-end/HostedAgents/AgentWithHostedMCP/Program.cs
+2 -2
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@@ -11,8 +11,8 @@ using Microsoft.Agents.AI;
using Microsoft.Extensions.AI;
using OpenAI.Responses;
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";
string endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
// Create an MCP tool that can be called without approval.
AITool mcpTool = new HostedMcpServerTool(serverName: "microsoft_learn", serverAddress: "https://learn.microsoft.com/api/mcp")
dotnet/samples/05-end-to-end/HostedAgents/AgentWithLocalTools/Program.cs
+13 -13
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@@ -15,21 +15,21 @@ using Azure.Identity;
using Microsoft.Agents.AI;
using Microsoft.Extensions.AI;
var endpoint = Environment.GetEnvironmentVariable("AZURE_AI_PROJECT_ENDPOINT")
string endpoint = Environment.GetEnvironmentVariable("AZURE_AI_PROJECT_ENDPOINT")
?? throw new InvalidOperationException("AZURE_AI_PROJECT_ENDPOINT is not set.");
var deploymentName = Environment.GetEnvironmentVariable("MODEL_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
string deploymentName = Environment.GetEnvironmentVariable("MODEL_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
Console.WriteLine($"Project Endpoint: {endpoint}");
Console.WriteLine($"Model Deployment: {deploymentName}");
var seattleHotels = new[]
{
Hotel[] seattleHotels =
[
new Hotel("Contoso Suites", 189, 4.5, "Downtown"),
new Hotel("Fabrikam Residences", 159, 4.2, "Pike Place Market"),
new Hotel("Alpine Ski House", 249, 4.7, "Seattle Center"),
new Hotel("Margie's Travel Lodge", 219, 4.4, "Waterfront"),
new Hotel("Northwind Inn", 139, 4.0, "Capitol Hill"),
new Hotel("Relecloud Hotel", 99, 3.8, "University District"),
};
];
[Description("Get available hotels in Seattle for the specified dates. This simulates a call to a hotel availability API.")]
string GetAvailableHotels(
@@ -54,21 +54,21 @@ string GetAvailableHotels(
return "Error: Check-out date must be after check-in date.";
}
var nights = (checkOut - checkIn).Days;
var availableHotels = seattleHotels.Where(h => h.PricePerNight <= maxPrice).ToList();
int nights = (checkOut - checkIn).Days;
List<Hotel> availableHotels = seattleHotels.Where(h => h.PricePerNight <= maxPrice).ToList();
if (availableHotels.Count == 0)
{
return $"No hotels found in Seattle within your budget of ${maxPrice}/night.";
}
var result = new StringBuilder();
StringBuilder result = new();
result.AppendLine($"Available hotels in Seattle from {checkInDate} to {checkOutDate} ({nights} nights):");
result.AppendLine();
foreach (var hotel in availableHotels)
foreach (Hotel hotel in availableHotels)
{
var totalCost = hotel.PricePerNight * nights;
int totalCost = hotel.PricePerNight * nights;
result.AppendLine($"**{hotel.Name}**");
result.AppendLine($" Location: {hotel.Location}");
result.AppendLine($" Rating: {hotel.Rating}/5");
@@ -87,7 +87,7 @@ string GetAvailableHotels(
// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
var credential = new DefaultAzureCredential();
DefaultAzureCredential credential = new();
AIProjectClient projectClient = new(new Uri(endpoint), credential);
ClientConnection connection = projectClient.GetConnection(typeof(AzureOpenAIClient).FullName!);
@@ -99,14 +99,14 @@ if (!connection.TryGetLocatorAsUri(out Uri? openAiEndpoint) || openAiEndpoint is
openAiEndpoint = new Uri($"https://{openAiEndpoint.Host}");
Console.WriteLine($"OpenAI Endpoint: {openAiEndpoint}");
var chatClient = new AzureOpenAIClient(openAiEndpoint, credential)
IChatClient chatClient = new AzureOpenAIClient(openAiEndpoint, credential)
.GetChatClient(deploymentName)
.AsIChatClient()
.AsBuilder()
.UseOpenTelemetry(sourceName: "Agents", configure: cfg => cfg.EnableSensitiveData = false)
.Build();
var agent = new ChatClientAgent(chatClient,
AIAgent agent = chatClient.AsAIAgent(
name: "SeattleHotelAgent",
instructions: """
You are a helpful travel assistant specializing in finding hotels in Seattle, Washington.
dotnet/samples/05-end-to-end/HostedAgents/AgentWithTextSearchRag/Program.cs
+2 -2
View File
@@ -11,8 +11,8 @@ using Microsoft.Agents.AI;
using Microsoft.Extensions.AI;
using OpenAI.Chat;
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";
string endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
TextSearchProviderOptions textSearchOptions = new()
{
dotnet/samples/05-end-to-end/HostedAgents/AgentWithTools/Program.cs
+6 -6
View File
@@ -9,16 +9,16 @@ using Azure.Identity;
using Microsoft.Agents.AI;
using Microsoft.Extensions.AI;
var openAiEndpoint = 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";
var toolConnectionId = Environment.GetEnvironmentVariable("MCP_TOOL_CONNECTION_ID") ?? throw new InvalidOperationException("MCP_TOOL_CONNECTION_ID is not set.");
string openAiEndpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
string toolConnectionId = Environment.GetEnvironmentVariable("MCP_TOOL_CONNECTION_ID") ?? throw new InvalidOperationException("MCP_TOOL_CONNECTION_ID is not set.");
// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
var credential = new DefaultAzureCredential();
DefaultAzureCredential credential = new();
var chatClient = new AzureOpenAIClient(new Uri(openAiEndpoint), credential)
IChatClient chatClient = new AzureOpenAIClient(new Uri(openAiEndpoint), credential)
.GetChatClient(deploymentName)
.AsIChatClient()
.AsBuilder()
@@ -26,7 +26,7 @@ var chatClient = new AzureOpenAIClient(new Uri(openAiEndpoint), credential)
.UseOpenTelemetry(sourceName: "Agents", configure: (cfg) => cfg.EnableSensitiveData = true)
.Build();
var agent = new ChatClientAgent(chatClient,
AIAgent agent = chatClient.AsAIAgent(
name: "AgentWithTools",
instructions: @"You are a helpful assistant with access to tools for fetching Microsoft documentation.
dotnet/samples/05-end-to-end/HostedAgents/AgentsInWorkflows/Program.cs
+4 -4
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@@ -12,8 +12,8 @@ using Microsoft.Agents.AI.Workflows;
using Microsoft.Extensions.AI;
// Set up the Azure OpenAI client
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";
string endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
@@ -36,5 +36,5 @@ AIAgent agent = new WorkflowBuilder(frenchAgent)
await agent.RunAIAgentAsync();
static ChatClientAgent GetTranslationAgent(string targetLanguage, IChatClient chatClient) =>
new(chatClient, $"You are a translation assistant that translates the provided text to {targetLanguage}.");
static AIAgent GetTranslationAgent(string targetLanguage, IChatClient chatClient) =>
chatClient.AsAIAgent($"You are a translation assistant that translates the provided text to {targetLanguage}.");