# append(contentsOf:) Adds the elements of a sequence or collection to the end of this collection. ``` mutating func append(contentsOf newElements: S) where S : Sequence, S.Element == LowLevelMesh.Part ``` ## Parameters `newElements` The elements to append to the collection. --- 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)