# contactFilterCallbacks

> Controls whether this shape produces contact filter callbacks. A contact filter callback allows direct control over whether a contact will be created between a pair of shapes. This applies to both triggers and non-triggers but only with to Dynamic bodies These are relatively expensive so disabling them can provide a significant performance benefit. A contact filter callback will call the PhysicsShape.callbackTarget for both shapes involved if they implement PhysicsCallbacks.IContactFilterCallback.

## Definition

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

```csharp
public bool contactFilterCallbacks { get; set; }
```