initializeFirestore method
Gets the named {@link https://googleapis.dev/nodejs/firestore/latest/Firestore.html | Firestore} service for the given app, passing extra parameters to its constructor.
@example
// Get the Firestore service for a specific app, require HTTP/1.1 REST transport
const otherFirestore = initializeFirestore(app, {preferRest: true}, 'otherDb');
@param app - which Firestore
service to return.
@param settings - Settings object to be passed to the constructor.
@param databaseId - name of database to return.
@returns The named Firestore
service associated with the provided app and settings.
@beta
Implementation
external Firestore initializeFirestore(
App app, [
FirestoreSettings settings,
String databaseId,
]);