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# SceneEvents.Update

An event invoked once per frame interval that you can use to execute
custom logic for each frame.

```
struct Update
```

## Topics

### Characterizing an update

[`let scene: Scene`](/documentation/RealityKit/SceneEvents/Update/scene)

The updated scene.

[`let deltaTime: TimeInterval`](/documentation/RealityKit/SceneEvents/Update/deltaTime)

The elapsed time since the last update.

## Relationships

### Conforms To

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

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

---

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