if i want to add a custom field of Meetings module into activities subpanel, can u tell me the procedure?
Thank you very much

i had added a ForActivities.php to custom/modules/meetings/metadata/subpanels/
PHP Code:
        'meeting_category_c'=>array(
            'force_exist'=>'true',
             'vname' => 'Category',
             'width' => '15%',
             'force_default' => '(SELECT meeting_category_c FROM meetings_cstm INNER JOIN meetings ON meetings.id=meetings_cstm.id_c) AS',
        ),