# ChangeGameObjectStructureHierarchy

> A change of this type indicates that the structure of a GameObject has changed and any GameObject in the hierarchy below it might have changed. This happens for example when Undo.RegisterFullObjectHierarchyUndo is used.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.5/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
ChangeGameObjectStructureHierarchy = 3
```