Used By
| Used By | Description | 
|---|---|
| wp-includes/ms-functions.php: wpmu_welcome_notification() | Notify a user that their blog activation has been successful. | 
Filters the subject of the welcome email after site activation.
(string) Subject of the email.
| Version | Description | 
|---|---|
| MU (3.0.0) | Introduced. | 
    © 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/hooks/update_welcome_subject