<?php
$com_content['whoisonline'] = array(
    'index' => array(
        '', // g_ option require for view     [0]
        'who_is_online', // loc name (key)                [1] 
        'index.php?n=whoisonline', // Link to                 [2]
        '', // main menu name/id ('' - not show)        [3]
        0 // show in context menu (1-yes,0-no)          [4]
    )
);
?>