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# SceneEvents

Events the scene invokes.

```
enum SceneEvents
```

## Overview

For more information on subscribing to scene events, see `RealityKit/Scene/Event`.

## Topics

### Detecting scene-level updates

[`SceneEvents.Update`](/documentation/RealityKit/SceneEvents/Update)

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

[`SceneEvents.AnchoredStateChanged`](/documentation/RealityKit/SceneEvents/AnchoredStateChanged)

An event invoked when the anchored state of an anchoring entity
changes.

### Detecting scene hierarchy changes

[`SceneEvents.DidAddEntity`](/documentation/RealityKit/SceneEvents/DidAddEntity)

Raised after an entity is added to the scene.

[`SceneEvents.DidReparentEntity`](/documentation/RealityKit/SceneEvents/DidReparentEntity)

Raised after an entity has been reparented within the same scene.

[`SceneEvents.WillRemoveEntity`](/documentation/RealityKit/SceneEvents/WillRemoveEntity)

Raised before an entity is removed from the scene.

[`SceneEvents.DidActivateEntity`](/documentation/RealityKit/SceneEvents/DidActivateEntity)

Raised after an entity becomes active.

[`SceneEvents.WillDeactivateEntity`](/documentation/RealityKit/SceneEvents/WillDeactivateEntity)

Raised before an entity becomes inactive.


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