OptionaldomainThe domain of the original URI from which the content was retrieved.
This property is only supported in the Vertex AI Gemini API (VertexAIBackend).
When using the Gemini Developer API (GoogleAIBackend), this property will be
undefined.
OptionaltitleThe title of the retrieved web page.
OptionaluriThe URI of the retrieved web page.
A grounding chunk from the web.
Important: If using Grounding with Google Search, you are required to comply with the Service Specific Terms for "Grounding with Google Search".