etc/adminhtml/menu.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Backend:etc/menu.xsd">
    <menu>
      <add
        id="Facebook_BusinessExtension::facebook"
        title="Facebook"
        translate="title"
        module="Facebook_BusinessExtension"
        parent="Magento_Backend::stores"
        sortOrder="50"
        dependsOnModule="Facebook_BusinessExtension"
        resource="Facebook_BusinessExtension::facebook"/>
      <add
        id="Facebook_BusinessExtension::facebook_business_extension"
        title="Setup"
        translate="title"
        module="Facebook_BusinessExtension"
        parent="Facebook_BusinessExtension::facebook"
        sortOrder="10"
        dependsOnModule="Facebook_BusinessExtension"
        action="fbeadmin/setup/index"
        resource="Facebook_BusinessExtension::facebook"/>
        <add
         id="Facebook_BusinessExtension::facebook_business_extension_info"
         title="Info"
         translate="title"
         module="Facebook_BusinessExtension"
         parent="Facebook_BusinessExtension::facebook"
         sortOrder="10"
         dependsOnModule="Facebook_BusinessExtension"
         action="fbeadmin/info/index"
         resource="Facebook_BusinessExtension::facebook"/>
    </menu>
</config>