# AnchorUpdateSequence An asynchronous sequence of updates to anchors. ``` struct AnchorUpdateSequence where AnchorType : Anchor ``` ## Topics ### Performing sequence operations [`struct Iterator`](/documentation/ARKit/AnchorUpdateSequence/Iterator) ### Instance Methods [`func makeAsyncIterator() -> AnchorUpdateSequence.Iterator`](/documentation/ARKit/AnchorUpdateSequence/makeAsyncIterator()) Creates an asynchronous iterator that produces `AnchorUpdate` elements on this asynchronous sequence. ## Relationships ### Conforms To [`AsyncSequence`](/documentation/Swift/AsyncSequence) --- 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)