Global Variable

HKMetadataKeyUDIDeviceIdentifier

The device identifier portion of a device’s UDI (unique device identifier).

Declaration

NSString *const HKMetadataKeyUDIDeviceIdentifier;

Discussion

The device identifier can be used to reference the GUDID (Globally Unique Device Identification Database).

This key takes a string value.

See Also

Device Information Keys

HKMetadataKeyDeviceSerialNumber

The key for the serial number of the device that generated the data.

HKMetadataKeyUDIProductionIdentifier

The production identifier portion of a device’s UDI (unique device identifier).

HKMetadataKeyDigitalSignature

A digital signature that can be used to validate the origin of the HealthKit object.

HKMetadataKeyDeviceName

The name of the device that took this reading.

HKMetadataKeyDeviceManufacturerName

The name of the manufacturer of the device that took this reading.