<?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>
       <referenceContainer name="content">
           <block class="Reply\Invoice\Block\Adminhtml\FemSection"
                  name="reply_sales_invoice_fem_section" before="sales_invoice_view"
                  template="Reply_Invoice::order/invoice/view/fem_section.phtml">
           </block>
       </referenceContainer>
   </body>
</page>