API C LFGList.GetAvailableActivityGroups

__NOTOC__
Returns a list of available LFG groups.
 groups = C_LFGList.GetAvailableActivityGroups(categoryID [, filter])
==Arguments==
:;categoryID: - The categoryID of the category you want to get available groups of. Use C_LFGList.GetAvailableCategories() to get a list of all available categoryIDs.
:;filter: - Bit mask to filter the results. See C_LFGList.GetActivityInfo for more information.
==Returns==
:;groups: - A table containing the requested groupIDs (not in order).