# UnbindCell

> Callback triggered when the HierarchyViewCell is unbound. The VisualElement content of the cell is automatically cleared. Use this callback to dispose of custom resources or unregister from events.

## Definition

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

```csharp
public Action<HierarchyViewCell> UnbindCell
```