# tricklesDown

> Returns whether this event is sent down the event propagation path during the TrickleDown phase.

## Definition

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

```csharp
public bool tricklesDown { get; protected set; }
```