Controls the visibility of the UxmlElement in the UI Builder Library projects tab.
| Property | Description |
|---|---|
| Default | The element's visibility is not specified and is determined by the UI Builder. Unity hides elements with namespaces that start with "Unity", "UnityEngine", and "UnityEditor". |
| Visible | The element is visible in the UI Builder Library. |
| Hidden | The element is not visible in the UI Builder Library. |