Repopulates the selected event's invite list with members of the player's guild. Clears any invites already listed. Can only be used for events not yet created (i.e. saved to the calendar).
See also Calendar functions.
Signature:
CalendarMassInviteGuild(minLevel, maxLevel, rank)
Arguments:
minLevel- Lowest level of characters to invite (number)maxLevel- Highest level of characters to invite (number)rank- Lowest guild rank of characters to invite (number)