# NoTrickleDown

> The event handler should be executed during the AtTarget and BubbleUp phases.

## Definition

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

```csharp
NoTrickleDown = 0
```