# Deprecated symbols Review unsupported symbols and their replacements. ## Topics ### Deprecated [`static func request(attributes: Attributes, contentState: Activity.ContentState, pushType: PushType?) throws -> Activity`](/documentation/ActivityKit/Activity/request(attributes:contentState:pushType:)) Requests and starts a Live Activity. [`func update(using: Activity.ContentState) async`](/documentation/ActivityKit/Activity/update(using:)) Updates the dynamic content of the Live Activity. [`func update(using: Activity.ContentState, alertConfiguration: AlertConfiguration?) async`](/documentation/ActivityKit/Activity/update(using:alertConfiguration:)) Updates the dynamic content of a Live Activity and alerts a person about the Live Activity update. [`func end(using: Activity.ContentState?, dismissalPolicy: ActivityUIDismissalPolicy) async`](/documentation/ActivityKit/Activity/end(using:dismissalPolicy:)) Ends an active Live Activity. [`var contentState: Activity.ContentState`](/documentation/ActivityKit/Activity/contentState-swift.property) The dynamic content of a Live Activity. [`var contentStateUpdates: Activity.ContentStateUpdates`](/documentation/ActivityKit/Activity/contentStateUpdates-swift.property) An asynchronous sequence you use to observe changes to the dynamic content of a Live Activity. [`struct ContentStateUpdates`](/documentation/ActivityKit/Activity/ContentStateUpdates-swift.struct) A structure that offers functionality to observe changes to the dynamic content of a Live Activity. --- 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)