OptionaldocumentOutput only. The full document name for the referenced Vertex AI Search document.
OptionalragAdditional context for the RAG retrieval result. This is only populated when using the RAG retrieval tool.
OptionaltextText of the attribution.
OptionaltitleTitle of the attribution.
OptionaluriURI reference of the attribution.
Chunk from context retrieved by the retrieval tools. This data type is not supported in Gemini API.