principalEmail property
Associated email, such as "foo@google.com".
The email address of the authenticated user or a service account acting on
behalf of a third party principal making the request. For third party
identity callers, the principal_subject field is populated instead of
this field. For privacy reasons, the principal email address is sometimes
redacted. For more information, see
Caller identities in audit logs.
Implementation
core.String? principalEmail;