# onSelectionChange

> Obsolete. Use _selectionChanged instead.

## Definition

* **Type:** Event
* **Namespace:** [UnityEngine.UIElements](/engine/6000.6/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

> **Warning:**
>
> **Deprecated.** onSelectionChange is deprecated, use selectionChanged instead

```csharp
public event Action<IEnumerable<object>> onSelectionChange
```

### Remarks

This callback receives an enumerable that contains the item or items selected.