# DropdownMenuEventInfo(EventBase)

> Initialized menu event info with event provided.

## Definition

* **Type:** Constructor
* **Namespace:** [UnityEngine.UIElements](/engine/6000.7/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public DropdownMenuEventInfo(EventBase e)
```

### Parameters

**** (\[EventBase]\(/engine/6000.7/script-reference/unityengine/uielements/eventbase)): Source event.