Optional
groundingList of supporting references retrieved from specified grounding source.
Optional
groundingOptional. List of grounding support.
Optional
retrievalOptional. Output only. Retrieval metadata.
Optional
retrievalOptional. Queries executed by the retrieval tools.
Optional
searchOptional. Google search entry for the following-up web searches.
Optional
webOptional. Web search queries for the following-up web search.
Metadata returned to client when grounding is enabled.