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Apple Watch Heart Rate Sampling Rate
I've been looking through the documentation but I can't seem to figure out how often the heart rate is actually sampled. I understand we're not able to get hold of the raw optical data but does anyone know how often we can expect the HR to be reported while in Workout Session?
func didReceiveHealthKitHeartRate(_ heartRate: Double) {
heartRateLabel.setText("\(heartRate) BPM")
WatchKitConnection.shared.sendMessage(message: ["heartRate":
"\(heartRate)" as AnyObject])
}