---
title: "defaultSourceJoints(index:count:transforms:)"
framework: realitykit
role: symbol
role_heading: Instance Method
path: "realitykit/animationstate/defaultsourcejoints(index:count:transforms:)"
---

# defaultSourceJoints(index:count:transforms:)

Retrieves a subset of default source joints, and stores them in the output transform array.

## Declaration

```swift
func defaultSourceJoints(index: Int, count: Int, transforms: inout [Transform]) -> Bool
```

## Discussion

Discussion See defaultSource for more about the default source value.