menu.xml

<?xml version="1.0"?>

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="../../../Backend/etc/menu.xsd">
    <menu>
        <add id="BDC_SimpleNews::main_menu" title="Simple News"
            module="BDC_SimpleNews" sortOrder="20"
            resource="BDC_SimpleNews::simplenews" />
        <add id="BDC_SimpleNews::add_news" title="Add News"
            module="BDC_SimpleNews" sortOrder="1" parent="BDC_SimpleNews::main_menu"
            action="simplenews/news/new" resource="BDC_SimpleNews::manage_news" />
        <add id="BDC_SimpleNews::manage_news" title="Manage News"
            module="BDC_SimpleNews" sortOrder="2" parent="BDC_SimpleNews::main_menu"
            action="simplenews/news/index" resource="BDC_SimpleNews::manage_news" />
        <add id="BDC_SimpleNews::manage_newsui" title="Manage News UI Grid"
            module="BDC_SimpleNews" sortOrder="3" parent="BDC_SimpleNews::main_menu"
            action="simplenews" resource="BDC_SimpleNews::manage_newsui" />
        <add id="BDC_SimpleNews::configuration" title="Configurations"
            module="BDC_SimpleNews" sortOrder="4" parent="BDC_SimpleNews::main_menu"
            action="adminhtml/system_config/edit/section/simplenews"
            resource="BDC_SimpleNews::configuration" />
    </menu>
</config>