# Sandbox.MovieMaker.IReferenceTrack.Id

```csharp
System.Guid Id { get; set; }
```

Identifier for this track. Must be unique in the containing [Sandbox.MovieMaker.IMovieClip](/api/Sandbox.MovieMaker.IMovieClip),
but different clips can share tracks as long as they have identical names, types,
and parent tracks.

Declared in [Sandbox.MovieMaker.IReferenceTrack](/api/Sandbox.MovieMaker.IReferenceTrack).
Assembly: `Sandbox.Engine`.