# CanStartManipulation(IMouseEvent)

> Checks whether MouseEvent satisfies all of the ManipulatorActivationFilter requirements.

## Definition

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

```csharp
protected bool CanStartManipulation(IMouseEvent e)
```

### Parameters

**** (\[IMouseEvent]\(/engine/6000.0/script-reference/unityengine/uielements/imouseevent)): The MouseEvent to validate.

### Returns

| Type                                                          | Description                                                    |
| ------------------------------------------------------------- | -------------------------------------------------------------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | True if the event satisfies the requirements. False otherwise. |