# AddColumnHeaderContextMenuItems(GenericMenu)

> Override this method to extend the default context menu items shown when context clicking the header area.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor.IMGUI.Controls](/engine/6000.3/script-reference/unityeditor/imgui/controls.md)
* **Assembly:** UnityEditor

```csharp
protected virtual void AddColumnHeaderContextMenuItems(GenericMenu menu)
```

### Parameters

**** (\[GenericMenu]\(/engine/6000.3/script-reference/unityeditor/genericmenu)): Context menu shown.

### Remarks

Call base.AddColumnHeaderContextMenuItems to add the default items. You can use [MultiColumnHeader.currentColumnIndex](/engine/6000.3/script-reference/unityeditor/imgui/controls/multicolumnheader/currentcolumnindex.md) to know which column was activated to open the contextual menu.