---
title: kCVImageBufferCleanApertureVerticalOffsetKey
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvimagebuffercleanapertureverticaloffsetkey
---

# kCVImageBufferCleanApertureVerticalOffsetKey

A key to the clean aperture vertical offset value from the center of the image buffer.

## Declaration

```swift
let kCVImageBufferCleanApertureVerticalOffsetKey: CFString
```

## Discussion

Discussion The vertical offset value is of type CFNumber.

## See Also

### Constants

- [kCVImageBufferCleanApertureWidthKey](corevideo/kcvimagebuffercleanaperturewidthkey.md)
- [kCVImageBufferCleanApertureHeightKey](corevideo/kcvimagebuffercleanapertureheightkey.md)
- [kCVImageBufferCleanApertureHorizontalOffsetKey](corevideo/kcvimagebuffercleanaperturehorizontaloffsetkey.md)