---
title: ComponentEvents.DidChange
framework: realitykit
role: symbol
role_heading: Structure
path: realitykit/componentevents/didchange
---

# ComponentEvents.DidChange

Event raised after a component has been modified.

## Declaration

```swift
struct DidChange
```

## Topics

### Instance Properties

- [componentType](realitykit/componentevents/didchange/componenttype.md)
- [entity](realitykit/componentevents/didchange/entity.md)

## Relationships

### Conforms To

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

## See Also

### Detecting component changes

- [ComponentEvents.DidAdd](realitykit/componentevents/didadd.md)
- [ComponentEvents.WillRemove](realitykit/componentevents/willremove.md)