A change of this type indicates that a GameObject's children have been reordered. This happens when Undo.RegisterChildrenOrderUndo is called or when reordering a child in the hierarchy under the same parent.
| instanceId | The instance ID of the parent GameObject whose children have been reordered. Note that this is not the instance ID of the Transform component. |
| scene | The Scene containing the GameObject whose children were reordered. |
| ChangeChildrenOrderEventArgs | Constructs a new instance. |