my ($ups_able_info) = ([]);

&parseXml($xmlfile);

sub parseXml{
my $twig1 = new XML::Twig( twig_handlers => { 'ups:TABLE_INFO/ups:field' => \&parse_table_info} );
}
### twig handler to parse columns.
sub parse_table_info {

        my( $twig, $table_info)= @_;
        my $table_column = {};

        $table_column->{$table_info->first_child_text('ups:tag')}  = $table_info->first_child_text('ups:ui_name');
        push(@{$ups_table_info}, $table_column);

}