# shapeTargetB

> The callback target ( PhysicsShape.callbackTarget ) associated with PhysicsEvents.ContactEndEvent.shapeB. This returns any implemented PhysicsCallbacks.IContactCallback or NULL if not implemented or no target.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.LowLevelPhysics2D](/engine/6000.3/script-reference/unityengine/lowlevelphysics2d.md)
* **Assembly:** UnityEngine.Physics2DModule

```csharp
public PhysicsCallbacks.IContactCallback shapeTargetB { get; }
```