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Apple Developer Docs

HealthKit / HKHeartbeatSeriesBuilder / init(healthStore:device:startDate:)

init(healthStore:device:startDate:)

Declaration

init(healthStore: HKHealthStore, device: HKDevice?, startDate: Date)

Open on developer.apple.com

HealthKitInitializer

iOS 13.0+iPadOS 13.0+Mac Catalyst 13.0+macOS 13.0+visionOS 1.0+watchOS 6.0+

Built on 2026-06-12 · Snapshot snapshot-20260612-beta.1 (macOS 27.0) · Commit fba13e1 · by @g-cqd · based on Apple Developer Documentation