template.php

См. документацию.

<?php
use Bitrix\Main\Localization\Loc;
Loc::loadMessages(__FILE__);
?>
<div class="mb-4" >
    <p><?= Loc::getMessage('SALE_HANDLERS_PAY_SYSTEM_TEMPLATE_ROBOXCHANGE_CHECKOUT_DESCRIPTION') ?></p>
    <p><?= Loc::getMessage('SALE_HANDLERS_PAY_SYSTEM_TEMPLATE_ROBOXCHANGE_CHECKOUT_SUM',
            [
                '#SUM#' => SaleFormatCurrency($params['SUM'], $params['CURRENCY']),
            ]
        ) ?></p>
    <div class="d-flex align-items-center">
        <form action="<?=$params['URL']?>" method="post" class="mb-4" class="p-0" style="display: inline-block">
                <input type="hidden" name="MerchantLogin" value="<?=htmlspecialcharsbx($params['ROBOXCHANGE_SHOPLOGIN']);?>">
                <input type="hidden" name="OutSum" value="<?=htmlspecialcharsbx($params['SUM']);?>">
                <?php if (!empty($params['OUT_SUM_CURRENCY'])):?>
                    <input type="hidden" name="OutSumCurrency" value="<?=htmlspecialcharsbx($params['OUT_SUM_CURRENCY']);?>">
                <?php endif;?>
                <input type="hidden" name="InvId" value="<?=htmlspecialcharsbx($params['PAYMENT_ID']);?>">
                <input type="hidden" name="Description" value="<?=htmlspecialcharsbx($params['ROBOXCHANGE_ORDERDESCR']);?>">
                <input type="hidden" name="SignatureValue" value="<?=$params['SIGNATURE_VALUE'];?>">
                <input type="hidden" name="Email" value="<?=htmlspecialcharsbx($params['BUYER_PERSON_EMAIL'])?>">
 
                <?php if ($params['RECEIPT']):?>
                    <input type="hidden" name="Receipt" value="<?=htmlspecialcharsbx($params['RECEIPT'])?>">
                <?php endif;?>
 
                <?php foreach ($params['ADDITIONAL_USER_FIELDS'] as $fieldName => $fieldsValue):?>
                    <input type="hidden" name="<?=$fieldName?>" value="<?=htmlspecialcharsbx($fieldsValue);?>">
                <?php endforeach; ?>
 
                <?php if ($params['PS_IS_TEST'] === 'Y'):?>
                    <input type="hidden" name="IsTest" value="1">
                <?php endif;?>
 
                <?php if ($params['PS_MODE']):?>
                    <input type="hidden" name="IncCurrLabel" value="<?=htmlspecialcharsbx($params['PS_MODE']);?>">
                <?php endif;?>
 
                <input type="submit" name="submit" class="btn btn-lg btn-success pl-4 pr-4" style="border-radius: 32px;" value="<?=Loc::getMessage("SALE_HANDLERS_PAY_SYSTEM_TEMPLATE_ROBOXCHANGE_CHECKOUT_BUTTON_PAID")?>">
            </form>
    </div>
 
    <div class="alert alert-info"><?= Loc::getMessage('SALE_HANDLERS_PAY_SYSTEM_TEMPLATE_ROBOXCHANGE_CHECKOUT_WARNING_RETURN') ?></div>
</div>