# buildBlock(_:_:_:_:) ``` @export(implementation) static func buildBlock(_ c0: C0, _ c1: C1, _ c2: C2, _ c3: C3) -> some TabContent where TabValue == C0.TabValue, C0 : TabContent, C1 : TabContent, C2 : TabContent, C3 : TabContent, C0.TabValue == C1.TabValue, C1.TabValue == C2.TabValue, C2.TabValue == C3.TabValue ``` --- 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)