Type Alias

HKCharacteristicTypeIdentifier

Used to define the identifiers that create characteristic type objects.

Declaration

typedef NSString *HKCharacteristicTypeIdentifier;

Discussion

To create an HKCharacteristicType instance, pass a HKCharacteristicTypeIdentifier value to the characteristicTypeForIdentifier: method.

For the complete list of characteristic type identifiers, see Characteristic Types.

Topics

Characteristic Types

HKCharacteristicTypeIdentifierBiologicalSex

A characteristic type identifier for the user’s sex.

HKCharacteristicTypeIdentifierBloodType

A characteristic type identifier for the user’s blood type.

HKCharacteristicTypeIdentifierDateOfBirth

A characteristic type identifier for the user’s date of birth.

HKCharacteristicTypeIdentifierFitzpatrickSkinType

A characteristic type identifier for the user’s skin type.

HKCharacteristicTypeIdentifierWheelchairUse

A characteristic identifier for the user’s use of a wheelchair.

See Also

Creating Characteristic Types

+ characteristicTypeForIdentifier:

Returns the shared characteristic type for the provided identifier.