Class DocumentReference

A reference to a Document with an ID. The Document may or may not exist. References to Keys, Tokens, and Documents in user-defined Collections are modeled with a DocumentReference.

The example below retrieves a document reference from a hypothetical "Users" collection.

 const response = await client.query(fql`
   Users.byId("101")
 `);
 const userDocumentReference = response.data;

 const id = userDocumentReference.id;
 id === "101"; // returns true
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