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# HasSceneUnderstanding

A specification that detects and reacts to features of the physical
environment.

```
@MainActor @preconcurrency protocol HasSceneUnderstanding : Entity
```

## Topics

### Understanding the scene

[`var sceneUnderstanding: SceneUnderstandingComponent`](/documentation/RealityKit/HasSceneUnderstanding/sceneUnderstanding)

An entity component that detects and reacts to features of the physical
environment.

## Relationships

### Inherits From

[`Entity`](/documentation/RealityKit/Entity)

---

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