# HierarchyView.FlagsChangedEventHandler

> Delegate type used to handle the HierarchyView.FlagsChanged event.

## Definition

* **Type:** Delegate
* **Namespace:** [Unity.Hierarchy](/engine/6000.6/script-reference/unity/hierarchy.md)
* **Assembly:** UnityEngine.HierarchyModule

```csharp
public delegate void HierarchyView.FlagsChangedEventHandler(HierarchyView view, HierarchyNodeFlags flags)
```