---
title: PhysicsSimulationEvents.DidSimulate
framework: realitykit
role: symbol
role_heading: Structure
path: realitykit/physicssimulationevents/didsimulate
---

# PhysicsSimulationEvents.DidSimulate

The event raised after the simulation advances to the current frame.

## Declaration

```swift
struct DidSimulate
```

## Topics

### Instance Properties

- [deltaTime](realitykit/physicssimulationevents/didsimulate/deltatime.md)
- [simulationEntity](realitykit/physicssimulationevents/didsimulate/simulationentity.md)
- [simulationRootEntity](realitykit/physicssimulationevents/didsimulate/simulationrootentity.md)

## Relationships

### Conforms To

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