# buildBlock(_:) Passes a single command group written as a child group through modified. ``` @export(implementation) static func buildBlock(_ content: C) -> C where C : Commands ``` --- 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)