# chain

> Get the owning chain. The type of shape must be PhysicsShape.ShapeType.ChainSegment otherwise a warning will be produced. See _isChainSegment and PhysicsChain.

## Definition

* **Type:** Property
* **Namespace:** [Unity.U2D.Physics](/engine/6000.5/script-reference/unity/u2d/physics.md)
* **Assembly:** UnityEngine.PhysicsCore2DModule

```csharp
public PhysicsChain chain { get; }
```