Restrict Deep Research to provided files

Gemini API
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1

Hello,

I would like to use the Deep Research API to do Deep Research on my own data using file_search, excluding data from Web Searches using deep-research-pro-preview-12-2025 and the interactions API. Is there a way to programmatically turn this off via the API/config or am I limited to just adding this as an instruction in the prompt.

Thanks

3

Thanks for flagging it. This is a very reasonable feature request, and is on our roadmap for the next version of Deep Research agent.