# GetUID Gets the unique identifier of the clock device. ``` OSSharedPtr GetUID(); ``` ## Return Value A pointer to an containing the UID. ## Discussion This method synchronizes by using the work queue created by the object. --- 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)