am trying to insert custom notifications into adminnotification_inbox table as per core module Magento-AdminNotifications approache but am't able to insert custom notifications.
Code is in below

**events.xml**

    <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
    <event name="controller_action_predispatch">
        <observer name="adminnotification" instance="Magento\AdminNotification\Observer\PredispatchAdminActionControllerObserver" />
    </event>
</config>


NameSpace/ModuleName/Model/Feed.php

    <?php namespace  ConversionBug\Core\Model;             
Class Feed extends \Magento\AdminNotification\Model\Feed{  
      
      public function __construct(\Psr\Log\LoggerInterface $logger, 
                                  \Magento\Framework\Stdlib\DateTime\DateTime $date) {
        $this->_logger = $logger;        
        $this->date = $date;
        
    }
      public function checkUpdate() {
        $this->_logger->debug("Feed Message here");
        $writer = new \Zend\Log\Writer\Stream(BP . '/var/log/test.log');
        $logger = new \Zend\Log\Logger();
        $logger->addWriter($writer);
        $logger->info('Your text message');
        $this->logger->debug($message);
      }
  }