Вам необходимо вызвать Crosssell
блок внутри content
referenceContainer отображается следующим образом:
<body>
<referenceBlock name="page.main.title">
<block class="Magento\Checkout\Block\Onepage\Success" name="checkout.success.print.button" template="Magento_Checkout::button.phtml"/>
<action method="setPageTitle">
<argument translate="true" name="title" xsi:type="string">Thank you for your purchase!</argument>
</action>
</referenceBlock>
<referenceContainer name="content">
<block class="Magento\Checkout\Block\Onepage\Success" name="checkout.success" template="Magento_Checkout::success.phtml" cacheable="false">
<container name="order.success.additional.info" label="Order Success Additional Info"/>
</block>
<block class="Magento\Checkout\Block\Registration" name="checkout.registration" template="Magento_Checkout::registration.phtml" cacheable="false"/>
<block class="Magento\Checkout\Block\Cart\Crosssell" name="checkout.cart.crosssell" template="Magento_Catalog::product/list/items.phtml" cacheable="false">
<arguments>
<argument name="type" xsi:type="string">crosssell</argument>
</arguments>
<block class="Magento\Catalog\Block\Product\ProductList\Item\Container" name="crosssell.product.addto" as="addto">
<block class="Magento\Catalog\Block\Product\ProductList\Item\AddTo\Compare"
name="crosssell.product.addto.compare" as="compare"
template="Magento_Catalog::product/list/addto/compare.phtml"/>
</block>
</block>
</referenceContainer>
</body>
Надеюсь, это поможет вам!