---
title: pixelFormat
framework: vision
role: symbol
role_heading: Instance Property
path: vision/pixelbufferobservation/pixelformat
---

# pixelFormat

The four-character code that identifies the pixel format.

## Declaration

```swift
var pixelFormat: OSType { get }
```

## See Also

### Inspecting an observation

- [RequestDescriptor](vision/requestdescriptor.md)
- [cgImage](vision/pixelbufferobservation/cgimage.md)
- [size](vision/pixelbufferobservation/size.md)