<!--
{
  "availability" : [
    "iOS: 27.0.0 -",
    "iPadOS: 27.0.0 -",
    "visionOS: 27.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "RealityKit",
  "identifier" : "/documentation/RealityKit/ClothSimulationEvents",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "RealityKit"
    ],
    "preciseIdentifier" : "s:22RealityFoundationCloth0C16SimulationEventsO"
  },
  "title" : "ClothSimulationEvents"
}
-->

# ClothSimulationEvents

Types of events that a cloth simulation publishes during its lifetime.

```
enum ClothSimulationEvents
```

## Topics

### Observing simulation events

[`struct Start`](/documentation/RealityKit/ClothSimulationEvents/Start)

An event type that a cloth simulation publishes immediately after it starts.

[`struct BeforeUpdate`](/documentation/RealityKit/ClothSimulationEvents/BeforeUpdate)

An event type that a cloth simulation publishes immediately before performing an update.

[`struct AfterUpdate`](/documentation/RealityKit/ClothSimulationEvents/AfterUpdate)

An event type that a cloth simulation publishes immediately after performing an update.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)