The access point for all data managed by HealthKit.
- iOS 8.0+
- watchOS 2.0+
HKHealth object to request permission to share or read HealthKit data. Once permission is granted, you can use the HealthKit store to save new samples to the store, or to manage the samples that your app has saved. Additionally, you can use the HealthKit store to start, stop, and manage queries.
For more information, see Setting Up HealthKit.