# verticalPageSize

> This property controls the speed of the vertical scrolling when using a keyboard or the on-screen scrollbar buttons (arrows and handle), based on the size of the page.

## Definition

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

```csharp
[CreateProperty]
public float verticalPageSize { get; set; }
```

### Remarks

The speed is calculated by multiplying the page size by the specified value. For example, a value of `2` means that each scroll movement covers a distance equal to twice the width of the page.