HKMetadataKeyDevicePlacementSide
The key for metadata indicating the placement of the device that measured a sample.
Declaration
let HKMetadataKeyDevicePlacementSide: StringDiscussion
This key takes an NSNumber that contains a value from HKDevicePlacementSide.
For mobility samples, like walkingSpeed or walkingDoubleSupportPercentage, this metadata key records the placement of the device as determined by the system.