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# sceneUnderstanding

The default collision group for scene-understanding meshes.

```
static let sceneUnderstanding: CollisionGroup
```

## Discussion

See <doc://com.apple.documentation/documentation/RealityKit/realitykit-scene-understanding> for usage and platform availability of [`SpatialTrackingSession.Configuration.SceneUnderstandingCapability`](/documentation/RealityKit/SpatialTrackingSession/Configuration/SceneUnderstandingCapability)
and [`ARView.Environment.SceneUnderstanding`](/documentation/RealityKit/ARView/Environment-swift.struct/SceneUnderstanding-swift.struct).
See <doc://com.apple.documentation/documentation/RealityKit/realitykit-scene-understanding> for a complete overview of scene-understanding functionality.

---

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