# ChangeRootOrder

> A change of this type indicates that a GameObject placed at the scene root has been reordered in the hierarchy. This happens when Undo.SetSiblingIndex is called or when reordering such a GameObject in the hierarchy under the same scene.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.3/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
ChangeRootOrder = 13
```