# worldSpaceSizeMode

> Defines how the size of the root element is calculated for world space.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.UIElements](/engine/6000.5/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public WorldSpaceSizeMode worldSpaceSizeMode { get; set; }
```