wpgmza_admin_notice_process_background_action

process additional background actions from an ajax action in the persistent notice system source do action("wpgmza admin notice process background action", $relayaction); arguments $relayaction the action name passed with the request (string) files includes/class admin notices php there is no need to send a response as part of your processing, the adminnotices class will handle this internally after calling this hook you could do so, to change the output if needed