network_sites_updated_message_{$action}
Filter Hook: Filters a specific, non-default, site-updated message in the Network admin.
Source: wp-admin/network/sites.php:352
activate_blog
Action Hook: Fires after a network site is activated.
Source: wp-admin/network/sites.php:266
deactivate_blog
Action Hook: Fires before a network site is deactivated.
Source: wp-admin/network/sites.php:277
network_sites_updated_message_{$_GET[‘updated’]}
Filter Hook: Filters a specific, non-default site-updated message in the Network admin.
Source: wp-admin/network/sites.php:319