---
title: physicsMotion
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/hasphysicsmotion/physicsmotion
---

# physicsMotion

The physics motion component used by physics simulations of the model entity.

## Declaration

```swift
@MainActor @preconcurrency var physicsMotion: PhysicsMotionComponent? { get set }
```