charttype => { type => 'character', default => 'A', length => 1 },
category => { type => 'character', length => 1 },
link => { type => 'text' },
charttype => { type => 'character', default => 'A', length => 1 },
category => { type => 'character', length => 1 },
link => { type => 'text' },