---
title: VNDetectRectanglesRequestRevision1
framework: vision
role: symbol
role_heading: Global Variable
path: vision/vndetectrectanglesrequestrevision1
---

# VNDetectRectanglesRequestRevision1

A constant for specifying revision 1 of the rectangle detection request.

## Declaration

```swift
var VNDetectRectanglesRequestRevision1: Int { get }
```