# applied(to:eventHandler:) Predicts cumulative human body action counts from a sequence of human body pose windows. ``` func applied(to input: S, eventHandler: EventHandler? = nil) async throws -> HumanBodyActionCounter.OutputSequence where S : TemporalSequence, S.Feature == [Pose] ``` ## Parameters `input` An async sequence of human body pose windows. `eventHandler` An event handler. ## Return Value An async sequence of cumulative human body action counts. --- 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)