---
title: vertexIndicesPerTriangle
framework: usdkit
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: usdkit/usdplayer/deformationdata/renormalizationdata/update/vertexindicespertriangle
---

# vertexIndicesPerTriangle

Changed vertex indices per triangle.

## Declaration

```swift
let vertexIndicesPerTriangle: [UInt32]?
```

## Discussion

Discussion nil if unchanged.