---
title: VNGeneratePersonInstanceMaskRequestRevision1
framework: vision
role: symbol
role_heading: Global Variable
path: vision/vngeneratepersoninstancemaskrequestrevision1
---

# VNGeneratePersonInstanceMaskRequestRevision1

A constant for specifying revision 1 of the person instance mask request.

## Declaration

```swift
var VNGeneratePersonInstanceMaskRequestRevision1: Int { get }
```