function __construct()
 {
     parent::__construct();
     $this->variate('mobile');
 }
 /**
  * @filter woocommerce_payment_gateways
  *
  * @param array $methods
  *
  * @return array
  */
 public static function callback_woocommerce_payment_gateways(array $methods)
 {
     $payapp_methods = WC_Gateway_Payapp_Base::get_gateway_methods();
     return array_merge($methods, $payapp_methods);
 }