# tabHeaderEmptyLabeUssClassName

> USS class name for the label of the header when the value is empty or null.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.UIElements](/engine/6000.7/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public static readonly string tabHeaderEmptyLabeUssClassName
```