use Class::CGI
  handlers => {
    customer => {
      handler => 'Class::CGI::Customer',
      fields  => [qw/
        first
        last 
        address1
        address2
        email
        city
        state
        zip
      /],
    }
  };

my $cgi  = Class::CGI->new;
my $cust = $cgi->param('customer');
my $zip  = $cgi->param('zip');

##</code><code>##

use Class::CGI
  profiles => $profile,
  use      => 'customer';

##</code><code>##

use Class::CGI
  profiles   => $profile,
  from_param => '__PROFILE__';