Thanks Mithrandir
$elements[0][] = array('element' => new XoopsFormText(_PROFILE_MA_DISPLAYNAME, "uname", $uname_size, 75,
$user->getVar('uname', 'e')), 'required' => true);
$weights[0][] = 0;
$elements[0][] = array('element' => new XoopsFormText(_PROFILE_MA_REALNAME, "name", $name_size, 75, $user->getVar('name',
'e')), 'required' => true);
$weights[0][] = 0;
$newuser->setVar('uname', isset($_POST['uname']) ? trim($_POST['uname']) : '');
$newuser->setVar('name', isset($_POST['name']) ? trim($_POST['name']) : '');
echo _PROFILE_MA_DISPLAYNAME.": ".$newuser->getVar('uname')."<br />";
echo _PROFILE_MA_REALNAME.": ".$newuser->getVar('name')."<br />";