sorry for not getting back to you
not sure what you need but i'll post my own mod and hopefully you can adapt
`include\client\tickets.inc.php
Line 133 - add 'user__name' to the values list as per the below
$tickets->values(
'ticket_id', 'number', 'created', 'isanswered', 'source', 'status_id',
'statusstate', 'statusname', 'cdatasubject', 'dept_id',
'deptname', 'deptispublic', 'userdefault_emailaddress', 'user_id', 'username'
);
Line 216 add header row
<th width="150">
<a href="tickets.php?sort=status&order=<?php echo $negorder; ?><?php echo $qstr; ?>" title="Sort By From"><?php echo __('From');?> <i class="icon-sort"></i></a>
</th>
Line 259 add data row
<td><?php echo $T['user__name']; ?></td>
`