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User.tenantId property
The user's tenant ID.
Signature:
readonly tenantId: string | null;
Description
This is a read-only property, which indicates the tenant ID used to sign in the user. This is null if the user is signed in from the parent project.
Example
// Set the tenant ID on Auth instance.
auth.tenantId = 'TENANT_PROJECT_ID';
// All future sign-in request now include tenant ID.
const result = await signInWithEmailAndPassword(auth, email, password);
// result.user.tenantId should be 'TENANT_PROJECT_ID'.