# isPath(_:open:at:) Tells whether the path is opened or closed. ``` func isPath(_ pathID: FxPathID!, open isOpen: UnsafeMutablePointer!, at time: CMTime) throws ``` ## Parameters `pathID` The ID of the path you want to know about. `isOpen` Upon return, contains whether the path is open. `time` The time to query the path. --- 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)