API C LFGList.GetAvailableActivities

__NOTOC__
Returns a list of available LFG activities.
 activities = C_LFGList.GetAvailableActivities([categoryID [, groupID [, filter]]])
==Arguments==
:;categoryID: - Use to only get activityIDs associated with a specific category. Use C_LFGList.GetAvailableCategories() to get a list of all available categoryIDs. If omitted the function returns activities of all categories.
:;groupID: - Use to only get activityIDs associated with a specific group. See C_LFGList.GetActivityGroupInfo for more information. If omitted the function returns activities of all groups.
:;filter: - Bit mask to filter the results. See C_LFGList.GetActivityInfo for more information.
==Returns==
:;activities: - A table containing the requested activityIDs (not in order).