code: func (t *Tray) Create() (err error) {
  	if err = t.isActionable(); err != nil {
  		return
  	}
  	var e = Event{Name: EventNameTrayCmdCreate, TargetID: t.id, TrayOptions: t.o}
  	_, err = synchronousEvent(t.c, t, t.w, e, EventNameTrayEventCreated)
  	return
  }
docs: // Create creates the tray