---
title: kCGImageMetadataPrefixExifAux
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagemetadataprefixexifaux
---

# kCGImageMetadataPrefixExifAux

The prefix string for tags in the EXIF auxiliary metadata collection.

## Declaration

```swift
let kCGImageMetadataPrefixExifAux: CFString
```

## See Also

### Public Prefixes

- [kCGImageMetadataPrefixDublinCore](imageio/kcgimagemetadataprefixdublincore.md)
- [kCGImageMetadataPrefixExif](imageio/kcgimagemetadataprefixexif.md)
- [kCGImageMetadataPrefixExifEX](imageio/kcgimagemetadataprefixexifex.md)
- [kCGImageMetadataPrefixIPTCCore](imageio/kcgimagemetadataprefixiptccore.md)
- [kCGImageMetadataPrefixPhotoshop](imageio/kcgimagemetadataprefixphotoshop.md)
- [kCGImageMetadataPrefixTIFF](imageio/kcgimagemetadataprefixtiff.md)
- [kCGImageMetadataPrefixXMPBasic](imageio/kcgimagemetadataprefixxmpbasic.md)
- [kCGImageMetadataPrefixXMPRights](imageio/kcgimagemetadataprefixxmprights.md)