TRACKED ACHIEVEMENT UPDATE

Fired when a timed event for an achievement begins or ends. The achievement does not have to be actively tracked for this to trigger. TRACKED_ACHIEVEMENT_UPDATE: achievementID, criteriaID, elapsed, duration

Payload

 * achievementID : number
 * criteriaID : number (nilable)
 * elapsed : number (nilable) - Actual time
 * duration : number (nilable) - Time limit