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<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../Magento/Backend/etc/menu.xsd">
    <menu>
        <add id="CompanyName_ReviewRating::parent" title="ReviewRating" 
             module="CompanyName_ReviewRating" sortOrder="100" 
             resource="CompanyName_ReviewRating::parent"/>

        <add id="CompanyName_ReviewRating::index" title="ReviewRating Index" 
             module="CompanyName_ReviewRating" sortOrder="10" 
             action="reviewrating/index" resource="CompanyName_ReviewRating::index" 
              parent="CompanyName_ReviewRating::parent"/>
    
          
    </menu>
</config>

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../Magento/Backend/etc/menu.xsd">
    <menu>
        <add id="CompanyName_ReviewRating::parent" title="ReviewRating" 
             module="CompanyName_ReviewRating" sortOrder="100" 
             resource="CompanyName_ReviewRating::parent"/>

        <add id="CompanyName_ReviewRating::index" title="ReviewRating Index" 
             module="CompanyName_ReviewRating" sortOrder="10" 
             action="reviewrating/index" resource="CompanyName_ReviewRating::index" 
              parent="CompanyName_ReviewRating::parent"/>
    
         <add id="CompanyName_ReviewRating::settings" title="Settings" module="CompanyName_ReviewRating" sortOrder="30" action="adminhtml/system_config/edit/section/reviewrating/" resource="CompanyName_ReviewRating::settings"/>   
    </menu>
</config>

in /var/www/html/magento2/app/code/CompanyName/ReviewRating/etc/adminhtml/menu.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../Magento/Backend/etc/menu.xsd">
    <menu>
        <add id="CompanyName_ReviewRating::parent" title="ReviewRating" 
             module="CompanyName_ReviewRating" sortOrder="100" 
             resource="CompanyName_ReviewRating::parent"/>

        <add id="CompanyName_ReviewRating::index" title="ReviewRating Index" 
             module="CompanyName_ReviewRating" sortOrder="10" 
             action="reviewrating/index" resource="CompanyName_ReviewRating::index" 
              parent="CompanyName_ReviewRating::parent"/>
 
          <add id="CompanyName_ReviewRating::CompanyName_stores" title="Magento Fox" module="CompanyName_ReviewRating" sortOrder="50" parent="Magento_Backend::stores" resource="Magefox_Example::CompanyName_stores" />

          
    </menu>
</config>

In /var/www/html/magento2/app/code/CompanyName/ReviewRating/etc/adminhtml/system.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
    <system>
        <tab id="reviewrating" translate="label" sortOrder="10000">
            <label>Reviewrating</label>
        </tab>
        <section id="reviewrating" translate="label" sortOrder="10" showInDefault="1" showInWebsite="0" showInStore="0">
            <label>reviewrating</label>
            <tab>reviewrating</tab>
            <resource>CompanyName_ReviewRating::reviewrating</resource>
            <group id="general" translate="label" sortOrder="10" showInDefault="1" showInWebsite="0" showInStore="0">
                <label>Item creation by schedule</label>
                <field id="enabled" translate="label" type="select" sortOrder="10" showInDefault="1" showInWebsite="0" showInStore="0">
                    <label>Enabled</label>
                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                </field>
                <field id="cron_expression" translate="label" type="text" sortOrder="20" showInDefault="1" showInWebsite="0" showInStore="0" canRestore="1">
                    <label>Add Item Cron Expression</label>
                </field>
            </group>
        </section>
    </system>
</config>

In /var/www/html/magento2/app/code/CompanyName/ReviewRating/etc/adminhtml/menu.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../Magento/Backend/etc/menu.xsd">
    <menu>
        <add id="CompanyName_ReviewRating::parent" title="ReviewRating" 
             module="CompanyName_ReviewRating" sortOrder="100" 
             resource="CompanyName_ReviewRating::parent"/>

        <add id="CompanyName_ReviewRating::index" title="ReviewRating Index" 
             module="CompanyName_ReviewRating" sortOrder="10" 
             action="reviewrating/index" resource="CompanyName_ReviewRating::index" 
              parent="CompanyName_ReviewRating::parent"/>
    
          
    </menu>
</config>

I am creating a custom module , now wanted to add module configuration options like enable/disable options . I found many post that shows how to create these options using system.xml but in that way it add the option in Store -> Setting -> Configuration

Till now i am able to crate configuration section In Store -> Setting -> Configuration as shown below.

Any one share any post or link in which i can learn how to create these options in module admin menu pages not in Configuration page.

I am trying to create same sections in my module page as we have in Magento 1.9.x

I am creating a custom module , now wanted to add module configuration options like enable/disable options . I found many post that shows how to create these options using system.xml but in that way it add the option in Store -> Setting -> Configuration

Till now i am able to crate configuration section In Store -> Setting -> Configuration as shown below.

Any one share any post or link in which i can learn how to create these options in module admin menu pages not in Configuration page.

I am trying to create same sections in my module page as we have in Magento 1.9.x

in /var/www/html/magento2/app/code/CompanyName/ReviewRating/etc/adminhtml/menu.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../Magento/Backend/etc/menu.xsd">
    <menu>
        <add id="CompanyName_ReviewRating::parent" title="ReviewRating" 
             module="CompanyName_ReviewRating" sortOrder="100" 
             resource="CompanyName_ReviewRating::parent"/>

        <add id="CompanyName_ReviewRating::index" title="ReviewRating Index" 
             module="CompanyName_ReviewRating" sortOrder="10" 
             action="reviewrating/index" resource="CompanyName_ReviewRating::index" 
              parent="CompanyName_ReviewRating::parent"/>

          <add id="CompanyName_ReviewRating::CompanyName_stores" title="Magento Fox" module="CompanyName_ReviewRating" sortOrder="50" parent="Magento_Backend::stores" resource="Magefox_Example::CompanyName_stores" />

          
    </menu>
</config>