Omnipay\Alipay\Requests\AopTradePayRequest::validateParams PHP Метод

    public function validateParams()
    {
        parent::validateParams();
        $this->validateBizContent('out_trade_no', 'scene', 'auth_code', 'subject');
        $this->validateBizContentOne('total_amount', 'discountable_amount', 'undiscountable_amount');
    }