Omnipay\Alipay\AbstractAopGateway::getDefaultParameters PHP Method

    public function getDefaultParameters()
    {
        return ['format' => 'JSON', 'charset' => 'UTF-8', 'signType' => 'RSA', 'version' => '1.0', 'timestamp' => date('Y-m-d H:i:s'), 'alipaySdk' => 'lokielse/omnipay-alipay'];
    }