getSurchargeString example

$data = [
            'id' => $payment->getId(),
            'name' => $payment->getName(),
            'description' => $payment->getDescription(),
            'template' => $payment->getTemplate(),
            'class' => $payment->getClass(),
            'table' => $payment->getTable(),
            'hide' => $payment->getHide(),
            'additionaldescription' => $payment->getAdditionalDescription(),
            'debit_percent' => $payment->getDebitPercent(),
            'surcharge' => $payment->getSurcharge(),
            'surchargestring' => $payment->getSurchargeString(),
            'position' => $payment->getPosition(),
            'active' => $payment->getActive(),
            'esdactive' => $payment->getEsdActive(),
            'embediframe' => $payment->getEmbediframe(),
            'hideprospect' => $payment->getHideProspect(),
            'action' => $payment->getAction(),
            'pluginID' => $payment->getPluginID(),
            'source' => $payment->getSource(),
            'mobile_inactive' => $payment->getMobileInactive(),
            'attributes' => $payment->getAttributes(),
        ];