The request for Firestore.BatchGetDocuments.

Attributes

• documents ([String.t]): The names of the documents to retrieve. In the format: `projects/{project_id}/databases/{database_id}/documents/{document_path}`. The request will fail if any of the document is not a child resource of the given `database`. Duplicate names will be elided. Defaults to: null.
• mask (DocumentMask): The fields to return. If not set, returns all fields. If a document has a field that is not present in this mask, that field will not be returned in the response. Defaults to: null.
• newTransaction (TransactionOptions): Starts a new transaction and reads the documents. Defaults to a read-only transaction. The new transaction ID will be returned as the first response in the stream. Defaults to: null.
• readTime (String.t): Reads documents as they were at the given time. This may not be older than 60 seconds. Defaults to: null.
• transaction (binary()): Reads documents in a transaction. Defaults to: null.