---
title: constrainedAxis
framework: swiftui
role: symbol
role_heading: Instance Property
path: swiftui/rotategesture3d/constrainedaxis
---

# constrainedAxis

An axis around which the rotation is constrained.

## Declaration

```swift
var constrainedAxis: RotationAxis3D?
```

## Discussion

Discussion If the axis is nil, the rotation is unconstrained.

## See Also

### Creating the gesture

- [init(constrainedToAxis:minimumAngleDelta:)](swiftui/rotategesture3d/init(constrainedtoaxis:minimumangledelta:).md)
- [init(constrainedToAxis:minimumAngleDelta:inputKinds:)](swiftui/rotategesture3d/init(constrainedtoaxis:minimumangledelta:inputkinds:).md)
- [minimumAngleDelta](swiftui/rotategesture3d/minimumangledelta.md)