---
title: default
framework: realitykit
role: symbol
role_heading: Type Property
path: realitykit/collisiongroup/default
---

# default

The default collision group for objects.

## Declaration

```swift
static let `default`: CollisionGroup
```

## Discussion

Discussion If no CollisionFilter is assigned to an entity, that entity will be part of this default collision group.

## See Also

### Standard collision groups

- [all](realitykit/collisiongroup/all.md)
- [sceneUnderstanding](realitykit/collisiongroup/sceneunderstanding.md)