---
title: axisA
framework: scenekit
role: symbol
role_heading: Instance Property
path: scenekit/scnphysicssliderjoint/axisa
---

# axisA

The axis along which the first body can slide, relative to the node containing it.

## Declaration

```swift
var axisA: SCNVector3 { get set }
```

## See Also

### Managing the Characteristics of a Slider Joint

- [bodyA](scenekit/scnphysicssliderjoint/bodya.md)
- [anchorA](scenekit/scnphysicssliderjoint/anchora.md)
- [bodyB](scenekit/scnphysicssliderjoint/bodyb.md)
- [axisB](scenekit/scnphysicssliderjoint/axisb.md)
- [anchorB](scenekit/scnphysicssliderjoint/anchorb.md)