A change of this type indicates that a GameObject and the entire hierarchy below it has been destroyed. This happens for example when Undo.DestroyObjectImmediate is used with an GameObject.
| instanceId | The instance ID of the GameObject that has been destroyed. |
| parentInstanceId | The instance ID for the parent GameObject of the GameObject that has been destroyed. |
| scene | The scene containing the GameObject that has been destroyed. |
| DestroyGameObjectHierarchyEventArgs | Constructs a new instance. |