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# default

The default collision filter.

```
static let `default`: CollisionFilter
```

## Discussion

Entities with a [`default`](/documentation/RealityKit/CollisionFilter/default) collision filter have a
[`group`](/documentation/RealityKit/CollisionFilter/group) of [`default`](/documentation/RealityKit/CollisionGroup/default) and a
[`mask`](/documentation/RealityKit/CollisionFilter/mask) of [`all`](/documentation/RealityKit/CollisionGroup/all).

---

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