mergHKAddWorkout <pWorkoutType>, <pStartDate>, <pEndDate>, [<pTotalEnergyBurned>], [<pEnergyBurnedUnits>], [<pTotalDistance>], [<pDistanceUnits>], [<pMetadata>]
Add a workout
A start date in seconds
An end date in seconds
(optional with 0 default)
(optional with "" default) A string representation of the units the value is in. The strings to use are documented here
(optional with An default) An array of metadata in using HeathKit keys or custom keys.
//developer.apple.com/library/ios/documentation/HealthKit/Reference/HealthKit_Constants/index.html#//apple_ref/doc/constant_group/Metadata_Keys
UUID for workout