# id

> Version control specific ID of a changeset.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.VersionControl](/engine/6000.6/script-reference/unityeditor/versioncontrol.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public string id { get; }
```

### Remarks

E.g. Perforce changetset have unique IDs, while sibversion has no ID at all in which case it is simply -1.