---
title: collision
framework: realitykit
role: symbol
role_heading: Type Property
path: realitykit/spatialtrackingsession/configuration/sceneunderstandingcapability/collision
---

# collision

The capability that allows the system to use scene-understanding data for collisions.

## Declaration

```swift
static let collision: SpatialTrackingSession.Configuration.SceneUnderstandingCapability
```

## Mentioned in

Implementing scene understanding and reconstruction in your RealityKit app