id: uuid generated by LTM. duration: timelapse after status of task is finished before the task is forgotten. scope: name to track from which service the task originated. name: name of the task to identify it in a human readable way. progress: 0 to 100 indicating the progress of the task. status: active, aborted, done. tokens: [uuid;3] first is for view progress and status, second to abort, third to update progress and status. listening address for push notification: address (socks, http) where to send notification for change of status. Can be multiples addresses.