---
title: AVVideoWidthKey
framework: avfoundation
role: symbol
role_heading: Global Variable
path: avfoundation/avvideowidthkey
---

# AVVideoWidthKey

A key to access the width of the video in pixels.

## Declaration

```swift
let AVVideoWidthKey: String
```

## Discussion

Discussion The corresponding value is an instance of NSNumber.

## See Also

### Geometry

- [AVVideoHeightKey](avfoundation/avvideoheightkey.md)
- [AVVideoPixelAspectRatioKey](avfoundation/avvideopixelaspectratiokey.md)
- [AVVideoPixelAspectRatioVerticalSpacingKey](avfoundation/avvideopixelaspectratioverticalspacingkey.md)
- [AVVideoPixelAspectRatioHorizontalSpacingKey](avfoundation/avvideopixelaspectratiohorizontalspacingkey.md)