Contents

electrocardiogram(_:)

Returns a sample predicate that matches electrocardiogram samples.

Declaration

static func electrocardiogram(_ predicate: NSPredicate? = nil) -> HKSamplePredicate<HKElectrocardiogram>

Parameters

  • predicate:

    An optional predicate that further restricts the results that the query returns.

Discussion

Use this method to create an HKSamplePredicate instance that you can use to query for HKElectrocardiogram objects.

See Also

Creating Sample Predicates