Exploring UIAlertController in swift

AlertWith3Buttons.swift

    /**
     Simple Alert with more than 2 buttons
     */
    func showAlertWithThreeButton() {
        let alert = UIAlertController(title: "Alert", message: "Alert with more than 2 buttons", preferredStyle: .alert)

        alert.addAction(UIAlertAction(title: "Default", style: .default, handler: { (_) in
            print("You've pressed default")
        }))

        alert.addAction(UIAlertAction(title: "Cancel", style: .default, handler: { (_) in
            print("You've pressed cancel")
        }))

        alert.addAction(UIAlertAction(title: "Destructive", style: .destructive, handler: { (_) in
            print("You've pressed the destructive")
        }))
        self.present(alert, animated: true, completion: nil)
    }