---
title: SceneEvents.Update
framework: realitykit
role: symbol
role_heading: Structure
path: realitykit/sceneevents/update
---

# SceneEvents.Update

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

## Declaration

```swift
struct Update
```

## Topics

### Characterizing an update

- [scene](realitykit/sceneevents/update/scene.md)
- [deltaTime](realitykit/sceneevents/update/deltatime.md)

## Relationships

### Conforms To

- [Event](realitykit/event.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Detecting scene-level updates

- [SceneEvents.AnchoredStateChanged](realitykit/sceneevents/anchoredstatechanged.md)