---
title: axis
framework: spatial
role: symbol
role_heading: Instance Property
path: spatial/rotation3d/axis
---

# axis

The axis of the rotation.

## Declaration

```swift
var axis: RotationAxis3D { get set }
```

## See Also

### Inspecting a 3D rotation’s properties

- [angle](spatial/rotation3d/angle.md)
- [eulerAngles(order:)](spatial/rotation3d/eulerangles(order:).md)
- [EulerAngles](spatial/eulerangles.md)
- [quaternion](spatial/rotation3d/quaternion.md)
- [vector](spatial/rotation3d/vector.md)