ScheduledActivity RefId SchoolInfoRefId TimeTableCellRefId DayId PeriodId TimeTableRefId ActivityDate StartTime FinishTime CellType TimeTableSubjectRefId TeacherList TeacherCover StaffPersonalRefId StaffLocalId StartTime FinishTime Credit Supervision Weighting RoomList RoomInfoRefId AddressList Location ActivityType ActivityName ActivityComment StudentList StudentPersonalRefId TeachingGroupList TeachingGroupRefId YearLevels Override DateOfOverride SIF_Metadata SIF_ExtendedElements