Changes the raid or dungeon instance for the selected event. Only applicable if the event's
eventType is set to 1 or 2 (see
A list of dungeon or raid instances can be found by calling
CalendarEventGetTextures with the current
eventType. That function returns three values (
expansion) for each instance in the list; e.g. to get the
index for use with this function, find the index of the instance's name in that list and divide by 3.
See also Calendar functions.
index- Index of a dungeon or raid instance (