Optionalfile_OptionalmetadataSet of 16 key-value pairs that can be attached to a vector store. This can be useful for storing additional information about the vector store in a structured format. Keys can be a maximum of 64 characters long and values can be a maxium of 512 characters long.
A list of file IDs to add to the vector store. There can be a maximum of 10000 files in a vector store.