# visualTreeAssetSource

> Stores the asset reference, if the generated element is cloned from a VisualTreeAsset.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.UIElements](/engine/6000.0/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
[CreateProperty(ReadOnly = true)]
public VisualTreeAsset visualTreeAssetSource { get; }
```