---
title: SkeletonResource.JointBuilder
framework: realitykit
role: symbol
role_heading: Structure
path: realitykit/skeletonresource/jointbuilder
---

# SkeletonResource.JointBuilder

A result builder for declaratively constructing joint hierarchies.

## Declaration

```swift
@resultBuilder struct JointBuilder
```

## Topics

### Building joints

- [buildBlock(_:)](realitykit/skeletonresource/jointbuilder/buildblock(_:).md)

## See Also

### Defining the joint hierarchy

- [rootJoint](realitykit/skeletonresource/rootjoint.md)
- [SkeletonResource.Joint](realitykit/skeletonresource/joint.md)