Required properties:
drive:<string>- Drive Identifier.
pool:<string>- Media pool name.
store:<string>- Datastore name.
Optional properties:
comment:<string>- Comment (single line).
schedule:<calendar-event>- Run sync job at specified schedule.
eject-media:<boolean>- Eject media upon job completion.
export-media-set:<boolean>- Export media set upon job completion.
latest-only:<boolean>- Backup latest snapshots only.
notify-user:<string>- User ID