my $xml = "<ns:wsQueryFilter><ns:groupName>$params{groupname}</ns:groupName><ns:queryFilterType>$params{queryfiltertype}</ns:queryFilterType></ns:wsQueryFilter>";
  my $elem = SOAP::Data->type('xml' => $xml);

  my $result= $grouper->findGroups($params{clientversion},
                                   $elem,
                                   '',
                                   'T'
                                  );