# HierarchyWindow.PopulateContextMenuEventHandler

> Delegate type for the HierarchyWindow.PopulateContextMenu event.

## Definition

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

```csharp
public delegate void HierarchyWindow.PopulateContextMenuEventHandler(HierarchyWindow window, HierarchyView view, HierarchyViewItem item, DropdownMenu menu)
```