# buildBlock(_:_:_:_:) ``` static func buildBlock(_ c0: C0, _ c1: C1, _ c2: C2, _ c3: C3) -> some AppShortcutOptionsCollectionSpecification where C0 : AppShortcutOptionsCollectionProtocol, C1 : AppShortcutOptionsCollectionProtocol, C2 : AppShortcutOptionsCollectionProtocol, C3 : AppShortcutOptionsCollectionProtocol ``` --- 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)