my $find = WebService::Mappoint::Find->new('mappoint.ini');
    # i think that it needs something like this:
    push @find_options, ResultMask => [RooftopFlag => 'RooftopFlag'];
    # or this?
    push @find_options, ResultMask => ['RooftopFlag'];

    $req = $find->FindAddress(specification =>
                                              [DataSourceName => $DataSourceName,
                                               InputAddress => \@address,
                                               Options => \@find_options,
                                              ]);
    my $result = WebService::Mappoint::Result->new($req);