---
title: anchorA
framework: scenekit
role: symbol
role_heading: Instance Property
path: scenekit/scnphysicsballsocketjoint/anchora
---

# anchorA

The point at which the joint connects, relative to the node containing the first body.

## Declaration

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

## See Also

### Managing the Characteristics of a Ball and Socket Joint

- [bodyA](scenekit/scnphysicsballsocketjoint/bodya.md)
- [bodyB](scenekit/scnphysicsballsocketjoint/bodyb.md)
- [anchorB](scenekit/scnphysicsballsocketjoint/anchorb.md)