> For the complete documentation index, see [llms.txt](https://kinematicsoup.gitbook.io/scene-fusion/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kinematicsoup.gitbook.io/scene-fusion/api-reference/ks.scenefusion.client.unity.editor/ks.scenefusion.client.unity.editor.sfunityeventdispatcher/ks.scenefusion.client.unity.editor.sfunityeventdispatcher.hierarchystructurechangecallback.md).

# Delegate sfUnityEventDispatcher.HierarchyStructureChangeCallback

Namespace: [KS.SceneFusion.Client.Unity.Editor](/scene-fusion/api-reference/ks.scenefusion.client.unity.editor.md)\
Assembly: KSUnity-Source.dll

Hierarchy structure change event callback.

```csharp
public delegate void sfUnityEventDispatcher.HierarchyStructureChangeCallback(GameObject gameObject)
```

#### Parameters

`gameObject` GameObject

gameObject whose hierarchy structure changed. This object and and of its descendants may have changed.