Omnipay\Alipay\AbstractLegacyGateway::refund PHP Method

public refund ( array $parameters = [] ) : LegacyRefundRequest
$parameters	array
return	Omnipay\Alipay\Requests\LegacyRefundRequest

    public function refund(array $parameters = [])
    {
        return $this->createRequest(LegacyRefundRequest::class, $parameters);
    }

AbstractLegacyGateway