Your question isn't clear to me, so this isn't an answer but an example of the way that I tried it. Based on the documentation's use of a hash:

#!/usr/bin/perl

use strict;
use warnings;
use OpenThought();
use CGI();

my $OT = OpenThought->new();
my $q  = CGI->new;

my $html;
my %fields;
$fields{'List'} = [ [ "John Smith", "50" ], [ "Jane Doe", "50" ], ];
$html->{'id_tagname'} = "<b>html</b>";

my $js = "Does this help?";
$OT->param( \%fields );
$OT->param($html);
$OT->focus("Share");
$OT->javascript($js);
print $q->header;
print $OT->response();
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