init
TypeScriptstatic init(): HKElectrocardiogram_VoltageMeasurementSwift declarationinit()class · iOS 14.0+ · SDK 27.1
class VoltageMeasurementstatic init(): HKElectrocardiogram_VoltageMeasurementSwift declarationinit()quantity(lead: HKElectrocardiogram_Lead): (HKQuantity) | nullSwift declarationfunc quantity(for lead: HKElectrocardiogram.Lead) -> HKQuantity?get timeSinceSampleStart(): numberSwift declarationvar timeSinceSampleStart: TimeInterval { get }No declarations were skipped in this snapshot.