# itemIndexChanged

> Raised when an item in the source changes index. The first argument is source index, second is destination index.

## Definition

* **Type:** Event
* **Namespace:** [UnityEngine.UIElements](/engine/6000.0/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public event Action<int, int> itemIndexChanged
```