| Id | The Sandbox.MovieMaker.IReferenceTrack.Id of the reference track this target was created from. | 
| Parent | Optional game object target that contains this one, if from a nested track. | 
| Bind | Explicitly this reference to a particular object in the scene, or null to force it to stay unbound. | 
| Reset | Clear any explicit binding, so this reference will auto-bind based on its name, type, and parent. |