---
title: partIndex
framework: hvf
role: symbol
role_heading: Instance Property
platforms: [iOS 18.4+, iPadOS 18.4+, Mac Catalyst 18.4+, macOS 15.4+, tvOS 18.4+, visionOS 2.4+, watchOS 11.4+]
path: hvf/partrenderer/partparameters/partindex
---

# partIndex

The part index of the part these parameters refer to

## Declaration

```swift
final let partIndex: Int
```