Returns the e-mail for the secondary user (the user that is impersonated).
The value is based on the e-mail input field in the Personal section for the user.
(User management > User> User details panel > Personal > e-mail)
- The secondary user tag is only rendered when a user is logged in and is impersonating the secondary user.
The tag is implemented in version 126.96.36.199 with Impersonation.