modulename.php

<?php defined('BASEPATH') or exit('No direct script access allowed');

class Module_ModuleName extends Module {

        public $version = '1.0';

        public function info()
        {
                return array(
                        'name' => array(
                                'en' => 'Module Name'
                        ),
                        'description' => array(
                                'en' => 'Module Description'
                        ),
                        'frontend' => FALSE,
                        'backend' => TRUE,
                        'menu' => 'content'
                );
        }

        public function install()
        {
        }

        public function uninstall()
        {
        }

        public function upgrade($old_version)
        {
                // Your Upgrade Logic
                return TRUE;
        }

        public function help()
        {
                // Return a string containing help info
                // You could include a file and return it here.
                return "<h4>Overview</h4>";
        }
}
/* End of file details.php */