# fontScaleChanged

> Event invoked on the main thread when the user changes the font scale in the system settings.

## Definition

* **Type:** Event
* **Namespace:** [UnityEngine.Accessibility](/engine/6000.6/script-reference/unityengine/accessibility.md)
* **Assembly:** UnityEngine.AccessibilityModule

```csharp
public static event Action<float> fontScaleChanged
```