# CreateExtensionUI()

> Creates the extension UI visual element.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor.PackageManager.UI](/engine/6000.7/script-reference/unityeditor/packagemanager/ui.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
VisualElement CreateExtensionUI()
```

### Returns

| Type                                                                                     | Description                                              |
| ---------------------------------------------------------------------------------------- | -------------------------------------------------------- |
| [VisualElement](/engine/6000.7/script-reference/unityengine/uielements/visualelement.md) | A visual element that represents the UI or null if none. |