---
title: kColorSyncPreferredCMM
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/kcolorsyncpreferredcmm
---

# kColorSyncPreferredCMM

A key whose value is the ColorSyncCMM of the preferred CMM.

## Declaration

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