how to send a notification to ax user via ax client

this source is to send a notification after event to any user ax via ax client apps

EventNotification event = EventNotification::construct(EventNotificationSource::Sync);
;

event.parmUserId("admi1");
event.parmSubject("demo only");
event.parmMessage(strFmt("message from from %1",curuserid()));        
event.create();