---
title: primaryRotationBehavior
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/manipulationcomponent/dynamics-swift.struct/primaryrotationbehavior
---

# primaryRotationBehavior

The rotation behavior describing how an object rotates due to pose changes from the primary input source, for example a single hand pose re-orienting.

## Declaration

```swift
var primaryRotationBehavior: ManipulationComponent.Dynamics.RotationBehavior
```