# ussClassName

> USS class name for RadioButtonGroup elements.

## Definition

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

```csharp
public static readonly string ussClassName
```

### Remarks

Unity adds this USS class to every instance of the RadioButtonGroup element. Any styling applied to this class affects every RadioButtonGroup located beside, or below the stylesheet in the visual tree.