2.2.2.13 PidNameCalendarDuration
DAV property name: urn:schemas:calendar:duration
Data type: PtypInteger32 ([MS-OXCDATA] section 2.11.1.6)
The PidNameCalendarDuration property ([MS-OXPROPS] section 2.386) gets or sets the calculated duration, in seconds, of an appointment or meeting.
This property corresponds to the DURATION property, as specified in [MS-OXCICAL] section 2.1.3.1.1.20.12.