OptionalextensionIndicates the list of special days in a schedule.
OptionaltimeIndicates the alternate time periods for the list of special days (overrides the regular schedule). For example, the regular schedule indicates that it is active from 8AM to 5PM on Mondays. However, this particular Monday is a special day, and the alternate time periods state that the schedule is active from 9 AM to 11 AM and 1 PM to 4 PM. If no time periods are defined, then no access is allowed. Is of type TimePeriod.
A override schedule that defines alternate time periods for a group of special days.