'RXX-1' => {
        'RCA 1' => '',
        'key' => 'HEMJJ',
        'ID' => '3345',
        'stem' => '',
    }
    
    '' => {
        'RCA 1' => '',
        'key' => 'HKKJ',
        'ID' => '232',
    }

##</code><code>##

    for my $row(1 ..$row_max){
        my $count = 1;
        my @data = map {
            my $cell = $worksheet->get_cell($row, $_); 
            $cell ? $cell->value() : ''; 
        } @required_cols;

        foreach my $col(@values){
            warn $worksheet->get_cell($row,0)->value() . $col."\n";
            $details->{ $worksheet->get_cell($row,0)->value() }{$col} = shift @data
                if defined $worksheet->get_cell($row, 1)->value(); 
        }
    }

##</code><code>##

    '1' => {
        'code'  => 'RXX-1'
        'RCA 1' => '',
        'key'   => 'HEMJJ',
        'ID'    => '3345',
        'stem'  => '',
    }
 
    '2' => {
        'RCA 1' => '',
        'key'   => 'HKKJ',
        'ID'    => '232,
        'code'  => '',
        .....
    }