<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <referenceBlock name="order_totals">
            <block name="rewards" class="Mirasvit\RewardsAdminUi\Block\Adminhtml\Sales\Order\Totals"
                   template="sales/order/totals.phtml" />
        </referenceBlock>
    </body>
</page>