# ColorSyncCMMCopyCMMIdentifier(_:) Copies the identifier of a CMM. ``` func ColorSyncCMMCopyCMMIdentifier(_: ColorSyncCMM!) -> Unmanaged? ``` ## Return Value The identifier of the CMM. ## Discussion Use this function to get the identifier of the built-in CMM. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)