# ChangeGameObjectStructureHierarchyEventArgs

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

```csharp
public struct ChangeGameObjectStructureHierarchyEventArgs
```

## Remarks

An event of this type means that essentially anything on the [GameObject](/engine/6000.5/script-reference/unityengine/gameobject.md) or any object in the hierarchy below it might have changed in arbitrary ways. This includes deletion and creation of additional objects, adding or deleting components, changes to the hierarchical structure, or modified properties.

## Constructors

| Constructor                                                                                                                                                                                            | Description                |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | -------------------------- |
| [ChangeGameObjectStructureHierarchyEventArgs(UnityEngine.EntityId,UnityEngine.SceneManagement.Scene)](/engine/6000.5/script-reference/unityeditor/changegameobjectstructurehierarchyeventargs/ctor.md) | Constructs a new instance. |

## Properties

| Property                                                                                                        | Description                                                                                                             |
| --------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- |
| [entityId](/engine/6000.5/script-reference/unityeditor/changegameobjectstructurehierarchyeventargs/entityid.md) | The EntityId of the [GameObject](/engine/6000.5/script-reference/unityengine/gameobject.md) that has been changed.      |
| [scene](/engine/6000.5/script-reference/unityeditor/changegameobjectstructurehierarchyeventargs/scene.md)       | The scene containing the [GameObject](/engine/6000.5/script-reference/unityengine/gameobject.md) that has been changed. |