---
title: kColorSyncTransformDeviceToDevice
framework: colorsync
role: symbol
role_heading: Global Variable
platforms: [iOS 16.0+, iPadOS 16.0+, Mac Catalyst 13.0+, macOS 10.13+, tvOS 16.0+, visionOS 1.0+, watchOS 9.0+]
path: colorsync/kcolorsynctransformdevicetodevice
---

# kColorSyncTransformDeviceToDevice

A kColorSyncTransformTag value selecting the device-to-device conversion direction.

## Declaration

```swift
var kColorSyncTransformDeviceToDevice: Unmanaged<CFString>!
```

## See Also

### Proofing and gamut checking

- [ColorSyncProfileCreateLink(_:_:)](colorsync/colorsyncprofilecreatelink(_:_:).md)
- [kColorSyncTransformGamutCheck](colorsync/kcolorsynctransformgamutcheck.md)