NotifyTuneReservationUpdate is an Asynchronous Notification from TRM whenever a reservation has changed its usage by its owner. The Server can listen for this notification and synchronize its cached value with the new reservation. In the update message, these fields are guaranteed to be the original value associated with the reservation.

tunerReservation::reservationToken
tunerReservation::device
tunerReservation::activity
tunerReservation::customAttributes

The message format,

{
     "notifyTunerReservationUpdate" : {
         "requestId" : [String] requestId,
         "tunerReservation" : <TunerReservation>
     }
}

The fields are defined as follows,

requestId : a GUID used to match requests with responses. For every request, the client supplies a requestId corresponding to the response.
tunerReservation: the reservation that has changed.