# PanelRenderer.UIReloadCallback

> Callback type for UI reload events.

## Definition

* **Type:** Delegate
* **Namespace:** [UnityEngine.UIElements](/engine/6000.5/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public delegate void PanelRenderer.UIReloadCallback(PanelRenderer panelRenderer, VisualElement rootElement)
```