ID of the Attendance object.
Corresponding booking ID.
Corresponding session ID.
Status indicating if any particpants attended the session:
NOT_SET: There is no available attendance information.ATTENDED: At least a single participant attended the session.NOT_ATTENDED: No participants attended the session.Total number of participants that attended the session. By default, the number
of attendees is set to 1, but you can set a number to greater than 1 if multiple
participants attended.
Do not set to 0 to indicate that no one attended the session. Instead, set the status field to NOT_ATTENDED.
Default: 1