agent-framework/dotnet/samples/02-agents/AgentsWithFoundry/Agent_Step22_MemorySearch

Memory Search with the Responses API

This sample demonstrates how to use the Memory Search tool with a ChatClientAgent using the Responses API directly.

What this sample demonstrates

• Configuring MemorySearchPreviewTool with a memory store and user scope
• Using memory search for cross-conversation recall
• Inspecting MemorySearchToolCallResponseItem results
• User profile persistence across conversations

Prerequisites

• .NET 10 SDK or later
• Microsoft Foundry service endpoint and deployment configured
• Azure CLI installed and authenticated (az login)
• A memory store created beforehand via Azure Portal or Python SDK

Set the following environment variables:

$env:AZURE_AI_PROJECT_ENDPOINT="https://your-foundry-service.services.ai.azure.com/api/projects/your-foundry-project"
$env:AZURE_AI_MODEL_DEPLOYMENT_NAME="gpt-5.4-mini"
$env:AZURE_AI_MEMORY_STORE_ID="your-memory-store-name"

Run the sample

dotnet run