adjusting label to slider value swift

Question

I have a slider and label in my swift project. On the storyboard, I control dragged my slider onto my controller class for that page and created an outlet and also an action

Answer 1

Swift 3: Select .allEvents for its UIControlEvents.

slider.addTarget(self, action: #selector(ViewController.updateKmsLabel(sender:)), for: .allEvents)
// To use
func updateKmsLabel(sender: UISlider!) {
    let value = Int(sender.value)
    DispatchQueue.main.async {
        self.kmsLabel.text = "\(value)"
        print("Slider value = \(value)")
    }
}