test

dotnet/samples/GettingStarted/Agents/Agent_Step19_Declarative/Agent_Step19_Declarative.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFrameworks>net10.0</TargetFrameworks>
+
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Azure.AI.OpenAI" />
+    <PackageReference Include="Azure.Identity" />
+    <PackageReference Include="Microsoft.Extensions.AI.OpenAI" />
+    <PackageReference Include="Microsoft.Bot.ObjectModel" />
+    <PackageReference Include="Microsoft.Bot.ObjectModel.Json" />
+    <PackageReference Include="Microsoft.Bot.ObjectModel.PowerFx" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\..\src\Microsoft.Agents.AI.Declarative\Microsoft.Agents.AI.Declarative.csproj" />
+    <ProjectReference Include="..\..\..\..\src\Microsoft.Agents.AI.OpenAI\Microsoft.Agents.AI.OpenAI.csproj" />
+  </ItemGroup>
+
+</Project>

dotnet/samples/GettingStarted/Agents/Agent_Step19_Declarative/Program.cs

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+// Copyright (c) Microsoft. All rights reserved.
+
+// This sample shows how to create an agent from a YAML based declarative representation.
+
+using Azure.AI.OpenAI;
+using Azure.Identity;
+using Microsoft.Agents.AI;
+using Microsoft.Extensions.AI;
+
+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";
+
+// Create the chat client
+IChatClient chatClient = new AzureOpenAIClient(
+    new Uri(endpoint),
+    new AzureCliCredential())
+     .GetChatClient(deploymentName)
+     .AsIChatClient();
+
+// Define the agent using a YAML definition.
+var text =
+    """
+    kind: Prompt
+    name: Assistant
+    description: Helpful assistant
+    instructions: You are a helpful assistant. You answer questions in the language specified by the user. You return your answers in a JSON format.
+    model:
+        options:
+            temperature: 0.9
+            topP: 0.95
+    outputSchema:
+        properties:
+            language:
+                type: string
+                required: true
+                description: The language of the answer.
+            answer:
+                type: string
+                required: true
+                description: The answer text.
+    """;
+
+// Create the agent from the YAML definition.
+var agentFactory = new ChatClientPromptAgentFactory(chatClient);
+var agent = await agentFactory.CreateFromYamlAsync(text);
+
+// Invoke the agent and output the text result.
+Console.WriteLine(await agent!.RunAsync("Tell me a joke about a pirate in English."));
+
+// Invoke the agent with streaming support.
+await foreach (var update in agent!.RunStreamingAsync("Tell me a joke about a pirate in French."))
+{
+    Console.WriteLine(update);
+}