---
title: jointInfluences
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/meshresource/part/jointinfluences
---

# jointInfluences

A buffer of vertex-joint influences which defines how the mesh deforms in response to the skeleton that it is bound to. Each vertex may be influenced by one or more joints defined by the skeleton.

## Declaration

```swift
var jointInfluences: MeshResource.JointInfluences? { get set }
```