---
title: definition
framework: arkit
role: symbol
role_heading: Instance Property
path: arkit/arskeleton/definition
---

# definition

The particular configuration of joints that define a body’s current state.

## Declaration

```swift
var definition: ARSkeletonDefinition { get }
```

## See Also

### Getting Joint Information

- [isJointTracked(_:)](arkit/arskeleton/isjointtracked(_:).md)
- [ARSkeleton.JointName](arkit/arskeleton/jointname.md)