# OnUnbindItem(HierarchyViewItem)

> Called whenever a HierarchyViewItem is unbound from a HierarchyView.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Hierarchy](/engine/6000.7/script-reference/unity/hierarchy.md)
* **Assembly:** UnityEngine.HierarchyModule

```csharp
protected virtual void OnUnbindItem(HierarchyViewItem item)
```

### Parameters

**** (\[HierarchyViewItem]\(/engine/6000.7/script-reference/unity/hierarchy/hierarchyviewitem)): The [HierarchyViewItem](/engine/6000.7/script-reference/unity/hierarchy/hierarchyviewitem.md) being unbound.