---
title: VNDetectFaceRectanglesRequestRevision1
framework: vision
role: symbol
role_heading: Global Variable
path: vision/vndetectfacerectanglesrequestrevision1
---

# VNDetectFaceRectanglesRequestRevision1

A constant for specifying revision 1 of the face rectangles detection request.

## Declaration

```swift
var VNDetectFaceRectanglesRequestRevision1: Int { get }
```

## See Also

### Identifying Request Revisions

- [VNDetectFaceRectanglesRequestRevision3](vision/vndetectfacerectanglesrequestrevision3.md)
- [VNDetectFaceRectanglesRequestRevision2](vision/vndetectfacerectanglesrequestrevision2.md)