predicateForObjects(from:)
Returns a predicate that matches all the objects that were created by any of the provided sources.
Declaration
class func predicateForObjects(from sources: Set<HKSource>) -> NSPredicateParameters
- sources:
A set of sources that have saved data to the HealthKit store.
Return Value
A predicate that matches all the objects created by any of the provided sources.
Discussion
Use this convenience method to create a predicate that finds all the objects from a specified set of apps or devices. The following sample uses both the convenience method and a predicate format string to create equivalent predicates.
See Also
Related Documentation
Creating object predicates
predicateForObject(with:)predicateForObjects(with:)predicateForObjects(from:)predicateForObjects(from:)predicateForObjects(withDeviceProperty:allowedValues:)predicateForObjects(from:)predicateForObjects(withMetadataKey:)predicateForObjects(withMetadataKey:allowedValues:)predicateForObjects(withMetadataKey:operatorType:value:)predicateForObjectsWithNoCorrelation()