Saves the event recently created (and selected for editing) to the calendar. Until this function is called, an event created with CalendarNewEvent(), CalendarNewGuildEvent(), or CalendarNewGuildAnnouncement() will not exist on the calendar -- that is, guild members or invitees will not see it, and it will not persist if the player closes the calendar, reloads the UI, or goes to view or edit another event.

See also Calendar functions.