Joomshopping back end client list add field - Joomla! Forum - community, help and support

hello,
i have joomshopping,
i need add column additional field 3 in end in list of clients

i added following code in file
\administrator\components\com_jshopping\views\users\tmpl\list.php

<th>
<?php echo jhtml::_('grid.sort', _jshop_ext_field_3, 'ext_field_3', $this->filter_order_dir, $this->filter_order)?>
</th>


<td>
<?php echo $row->ext_field_3;?>
</td>


but shows title , not values each user

can me please?
website in local
joomla 3.3.6
thanks

you can dump array result, check sql in select command first.