---
title: HealthKit Variables
framework: healthkit
role: collectionGroup
role_heading: API Collection
path: healthkit/healthkit-variables
---

# HealthKit Variables

## Topics

### Variables

- [bleedingAfterPregnancy](healthkit/hkcategorytypeidentifier/bleedingafterpregnancy.md)
- [bleedingDuringPregnancy](healthkit/hkcategorytypeidentifier/bleedingduringpregnancy.md)
- [sleepApneaEvent](healthkit/hkcategorytypeidentifier/sleepapneaevent.md)
- [HKDevicePropertyKeyFirmwareVersion](healthkit/hkdevicepropertykeyfirmwareversion.md)
- [HKDevicePropertyKeyHardwareVersion](healthkit/hkdevicepropertykeyhardwareversion.md)
- [HKDevicePropertyKeyLocalIdentifier](healthkit/hkdevicepropertykeylocalidentifier.md)
- [HKDevicePropertyKeyManufacturer](healthkit/hkdevicepropertykeymanufacturer.md)
- [HKDevicePropertyKeyModel](healthkit/hkdevicepropertykeymodel.md)
- [HKDevicePropertyKeyName](healthkit/hkdevicepropertykeyname.md)
- [HKDevicePropertyKeySoftwareVersion](healthkit/hkdevicepropertykeysoftwareversion.md)
- [HKDevicePropertyKeyUDIDeviceIdentifier](healthkit/hkdevicepropertykeyudideviceidentifier.md)
- [HKPredicateKeyPathCount](healthkit/hkpredicatekeypathcount.md)
- [GAD7](healthkit/hkscoredassessmenttypeidentifier/gad7.md)
- [PHQ9](healthkit/hkscoredassessmenttypeidentifier/phq9.md)
- [HKSourceRevisionAnyOperatingSystem](healthkit/hksourcerevisionanyoperatingsystem.md)
- [HKSourceRevisionAnyProductType](healthkit/hksourcerevisionanyproducttype.md)
- [HKSourceRevisionAnyVersion](healthkit/hksourcerevisionanyversion.md)
- [HKDataTypeIdentifierUserAnnotatedMedicationConcept](healthkit/hkdatatypeidentifieruserannotatedmedicationconcept.md)
- [HKMedicationDoseEventTypeIdentifierMedicationDoseEvent](healthkit/hkmedicationdoseeventtypeidentifiermedicationdoseevent.md)
- [HKPredicateKeyPathLogOrigin](healthkit/hkpredicatekeypathlogorigin.md)
- [HKPredicateKeyPathMedicationConceptIdentifier](healthkit/hkpredicatekeypathmedicationconceptidentifier.md)
- [HKPredicateKeyPathScheduledDate](healthkit/hkpredicatekeypathscheduleddate.md)
- [HKPredicateKeyPathStatus](healthkit/hkpredicatekeypathstatus.md)
- [HKUserAnnotatedMedicationPredicateKeyPathHasSchedule](healthkit/hkuserannotatedmedicationpredicatekeypathhasschedule.md)
- [HKUserAnnotatedMedicationPredicateKeyPathIsArchived](healthkit/hkuserannotatedmedicationpredicatekeypathisarchived.md)

## See Also

### Reference

- [HealthKit Enumerations](healthkit/healthkit-enumerations.md)
- [HealthKit Classes](healthkit/healthkit-classes.md)
- [HealthKit Constants](healthkit/healthkit-constants.md)
- [HealthKit Data Types](healthkit/healthkit-data-types.md)
- [HealthKit Functions](healthkit/healthkit-functions.md)
- [Macros](healthkit/healthkit-macros.md)