test

dotnet/samples/GettingStarted/Agents/Agent_Step18_DeepResearch/Agent_Step18_DeepResearch.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.Agents.Persistent" />
+    <PackageReference Include="Azure.Identity" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\..\src\Microsoft.Agents.AI.AzureAI.Persistent\Microsoft.Agents.AI.AzureAI.Persistent.csproj" />
+  </ItemGroup>
+
+</Project>

dotnet/samples/GettingStarted/Agents/Agent_Step18_DeepResearch/Program.cs

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+// Copyright (c) Microsoft. All rights reserved.
+
+// This sample shows how to create an Azure AI Foundry Agent with the Deep Research Tool.
+
+using Azure.AI.Agents.Persistent;
+using Azure.Identity;
+using Microsoft.Agents.AI;
+
+var endpoint = Environment.GetEnvironmentVariable("AZURE_FOUNDRY_PROJECT_ENDPOINT") ?? throw new InvalidOperationException("AZURE_FOUNDRY_PROJECT_ENDPOINT is not set.");
+var deepResearchDeploymentName = Environment.GetEnvironmentVariable("AZURE_FOUNDRY_PROJECT_DEEP_RESEARCH_DEPLOYMENT_NAME") ?? "o3-deep-research";
+var modelDeploymentName = Environment.GetEnvironmentVariable("AZURE_FOUNDRY_PROJECT_DEPLOYMENT_NAME") ?? "gpt-4o";
+var bingConnectionId = Environment.GetEnvironmentVariable("BING_CONNECTION_ID") ?? throw new InvalidOperationException("BING_CONNECTION_ID is not set.");
+
+// Configure extended network timeout for long-running Deep Research tasks.
+PersistentAgentsAdministrationClientOptions persistentAgentsClientOptions = new();
+persistentAgentsClientOptions.Retry.NetworkTimeout = TimeSpan.FromMinutes(20);
+
+// Get a client to create/retrieve server side agents with.
+PersistentAgentsClient persistentAgentsClient = new(endpoint, new AzureCliCredential(), persistentAgentsClientOptions);
+
+// Define and configure the Deep Research tool.
+DeepResearchToolDefinition deepResearchTool = new(new DeepResearchDetails(
+    bingGroundingConnections: [new(bingConnectionId)],
+    model: deepResearchDeploymentName)
+ );
+
+// Create an agent with the Deep Research tool on the Azure AI agent service.
+AIAgent agent = await persistentAgentsClient.CreateAIAgentAsync(
+    model: modelDeploymentName,
+    name: "DeepResearchAgent",
+    instructions: "You are a helpful Agent that assists in researching scientific topics.",
+    tools: [deepResearchTool]);
+
+const string Task = "Research the current state of studies on orca intelligence and orca language, " +
+    "including what is currently known about orcas' cognitive capabilities and communication systems.";
+
+Console.WriteLine($"# User: '{Task}'");
+Console.WriteLine();
+
+try
+{
+    AgentThread thread = await agent.GetNewThreadAsync();
+
+    await foreach (var response in agent.RunStreamingAsync(Task, thread))
+    {
+        Console.Write(response.Text);
+    }
+}
+finally
+{
+    await persistentAgentsClient.Administration.DeleteAgentAsync(agent.Id);
+}

dotnet/samples/GettingStarted/Agents/Agent_Step18_DeepResearch/README.md

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+# What this sample demonstrates
+
+This sample demonstrates how to create an Azure AI Agent with the Deep Research Tool, which leverages the o3-deep-research reasoning model to perform comprehensive research on complex topics.
+
+Key features:
+- Configuring and using the Deep Research Tool with Bing grounding
+- Creating a persistent AI agent with deep research capabilities
+- Executing deep research queries and retrieving results
+
+## Prerequisites
+
+Before running this sample, ensure you have:
+
+1. An Azure AI Foundry project set up
+2. A deep research model deployment (e.g., o3-deep-research)
+3. A model deployment (e.g., gpt-4o)
+4. A Bing Connection configured in your Azure AI Foundry project
+5. Azure CLI installed and authenticated
+
+**Important**: Please visit the following documentation for detailed setup instructions:
+- [Deep Research Tool Documentation](https://aka.ms/agents-deep-research)
+- [Research Tool Setup](https://learn.microsoft.com/en-us/azure/ai-foundry/agents/how-to/tools/deep-research#research-tool-setup)
+
+Pay special attention to the purple `Note` boxes in the Azure documentation.
+
+**Note**: The Bing Connection ID must be from the **project**, not the resource. It has the following format:
+
+```
+/subscriptions/<sub_id>/resourceGroups/<rg_name>/providers/<provider_name>/accounts/<account_name>/projects/<project_name>/connections/<connection_name>
+```
+
+## Environment Variables
+
+Set the following environment variables:
+
+```powershell
+# Replace with your Azure AI Foundry project endpoint
+$env:AZURE_FOUNDRY_PROJECT_ENDPOINT="https://your-project.services.ai.azure.com/"
+
+# Replace with your Bing connection ID from the project
+$env:BING_CONNECTION_ID="/subscriptions/.../connections/your-bing-connection"
+
+# Optional, defaults to o3-deep-research
+$env:AZURE_FOUNDRY_PROJECT_DEEP_RESEARCH_DEPLOYMENT_NAME="o3-deep-research"
+
+# Optional, defaults to gpt-4o
+$env:AZURE_FOUNDRY_PROJECT_DEPLOYMENT_NAME="gpt-4o"