There isn't a hash - you're accessing an OLE object.

Check out this excellent PerlScript tutorial

Remember that you can still use CGI with PerlScript and Win32::ASP

I wrote this sub to create a hash for the Session Vars, you can do something similar with the Form collection

use strict;
use Win32::OLE qw(in);

sub GetSessionVars {
    my %iis_sess;

    foreach my $key (in ($Session->Contents)) { 
        $iis_sess{$key} = $Session->Contents($key); 
    } 
    return \%iis_sess;
}

my $session_vars = GetSessionVars();
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$code or die
$ perldoc perldoc