The fields to return. If not set, returns all fields.
If the document has a field that is not present in this mask, that field will not be returned in the response.
Union parameter consistency_selector. The consistency mode for this transaction. If not set, defaults to strong consistency. consistency_selector can be only one of the following:
Reads the version of the document at the given time.
This must be a microsecond precision timestamp within the past one hour, or if Point-in-Time Recovery is enabled, can additionally be a whole minute timestamp within the past 7 days.
Uses RFC 3339, where generated output will always be Z-normalized and uses 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z", "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30".
Request body
The request body must be empty.
Response body
If successful, the response body contains an instance of Document.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-02 UTC."],[[["\u003cp\u003eThis API endpoint retrieves a single document from a specified Firestore database using a GET request.\u003c/p\u003e\n"],["\u003cp\u003eThe request URL requires the document's resource name, including the project ID, database ID, and document path.\u003c/p\u003e\n"],["\u003cp\u003eOptional query parameters allow for specifying the fields to be returned (\u003ccode\u003emask\u003c/code\u003e), reading within a transaction (\u003ccode\u003etransaction\u003c/code\u003e), or retrieving a past version of the document (\u003ccode\u003ereadTime\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eThe request body must be empty, and a successful response returns a Document object.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization requires either the \u003ccode\u003ehttps://www.googleapis.com/auth/datastore\u003c/code\u003e or \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e OAuth scope.\u003c/p\u003e\n"]]],[],null,[]]