# Code Interpreter with the Responses API This sample shows how to use the Code Interpreter tool with a `ChatClientAgent` using the Responses API directly. ## What this sample demonstrates - Using `HostedCodeInterpreterTool` with `ChatClientAgent` - Extracting code input and output from agent responses - Handling code interpreter annotations and file citations ## Prerequisites - .NET 10 SDK or later - Microsoft Foundry service endpoint and deployment configured - Azure CLI installed and authenticated (`az login`) Set the following environment variables: ```powershell $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" ``` ## Run the sample ```powershell dotnet run ```