do_action( 'added_existing_user', int $user_id, true|WP_Error $result )

Fires immediately after an existing user is added to a site.

Parameters

$user_id: (int) User ID.
$result: (true|WP_Error) True on success or a WP_Error object if the user doesn't exist or could not be added.

Used By
Used By	Description
wp-includes/ms-functions.php: add_existing_user_to_blog()	Adds a user to a blog based on details from maybe_add_existing_user_to_blog().

Changelog
Version	Description
MU (3.0.0)	Introduced. MU (3.0.0)