Magento 2 || Extend phtml on a Module instead of design theme - mpaz-redstage/magento-snippets GitHub Wiki

app/code/Redstage/CheckoutRegistration/view/frontend/layout/checkout_onepage_success.xml

     <body>
        <referenceContainer name="content">
            <block class="Magento\Framework\View\Element\Template"
                   name="checkout.registration"
                   as="checkout_registration"
                   template="Redstage_CheckoutRegistration::registration.phtml"/>
        </referenceContainer>
    </body>
⚠️ **GitHub.com Fallback** ⚠️