# sync(execute:) Submits a work item for execution and returns the results from that item after it finishes executing. ``` func sync(execute work: () throws -> T) rethrows -> T ``` ## Parameters `work` The work item containing the work to perform. The block encapsulated by the work item should return a result, which is then returned by this method. For information on how to create this work item, see [`DispatchWorkItem`](/documentation/Dispatch/DispatchWorkItem). ## Return Value The return value of the item in the `work` parameter. ## Discussion --- 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)