---
title: kCVImageBufferCleanApertureHeightKey
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvimagebuffercleanapertureheightkey
---

# kCVImageBufferCleanApertureHeightKey

A key to the clean aperture height of the image buffer.

## Declaration

```swift
let kCVImageBufferCleanApertureHeightKey: CFString
```

## Discussion

Discussion The clean aperture height value is of type CFNumber.

## See Also

### Constants

- [kCVImageBufferCleanApertureWidthKey](corevideo/kcvimagebuffercleanaperturewidthkey.md)
- [kCVImageBufferCleanApertureHorizontalOffsetKey](corevideo/kcvimagebuffercleanaperturehorizontaloffsetkey.md)
- [kCVImageBufferCleanApertureVerticalOffsetKey](corevideo/kcvimagebuffercleanapertureverticaloffsetkey.md)