# MaxWorldNameLength

> The maximum length of a PhysicsWorld name, beyond which PhysicsWorld.SetName truncates it.

## Definition

* **Type:** Field
* **Namespace:** [Unity.U2D.Physics](/engine/6000.7/script-reference/unity/u2d/physics.md)
* **Assembly:** UnityEngine.PhysicsCore2DModule

```csharp
public const int MaxWorldNameLength = 64
```