UIAlertViewController Barebone

UIAlertBarebone.swift

@IBAction func showAlert(_ sender: UIButton) {
        let alert = UIAlertController(title: "Hello", message: "Ca va?", preferredStyle: .alert)
        
        let action = UIAlertAction(title: "Awesome", style: .default, handler: nil)
        
        alert.addAction(action)
        
        present(alert, animated: true)
    }