[Chunky Monkey]

Thanks, Lynne:

online_location_process

switch ($filename)
{
case 'mypage.php':
$userinfo['activity'] = 'mylog';
break;
}

online location unknown:

switch ($userinfo['activity'])
{
case 'mylog':
$userinfo['where'] = '<a href="mypage.php?'.$vbulletin->session->vars[sessionurl].'">My Page</a>';
$userinfo['action'] = "Viewing My Page";
$handled = true;
break;
}