---
title: row
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/compositeextremumindex/row
---

# row

The row (offset into the part’s render transform subtree)

## Declaration

```swift
var row: UInt16
```