newsupernova/vendor/magento/module-newsletter/etc/adminhtml/menu.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Backend:etc/menu.xsd">
    <menu>
        <add id="Magento_Newsletter::newsletter_template" title="Newsletter Template" translate="title" module="Magento_Newsletter" parent="Magento_Backend::marketing_communications" sortOrder="30" action="newsletter/template/" resource="Magento_Newsletter::template"/>
        <add id="Magento_Newsletter::newsletter_queue" title="Newsletter Queue" translate="title" module="Magento_Newsletter" sortOrder="40" parent="Magento_Backend::marketing_communications" action="newsletter/queue/" resource="Magento_Newsletter::queue"/>
        <add id="Magento_Newsletter::newsletter_subscriber" title="Newsletter Subscribers" translate="title" module="Magento_Newsletter" sortOrder="50" parent="Magento_Backend::marketing_communications" action="newsletter/subscriber/" resource="Magento_Newsletter::subscriber"/>
        <add id="Magento_Newsletter::newsletter_problem" title="Newsletter Problem Reports" translate="title" module="Magento_Newsletter" sortOrder="50" parent="Magento_Reports::report_marketing" action="newsletter/problem/" resource="Magento_Newsletter::problem"/>
    </menu>
</config>