sub home {  #  $self->start_mode('home');
        my $self = shift;
        my $tmpl = $self->load_tmpl('index.tmpl');
        my $session = $self->session;
        my $data = $session->param_hashref();
        $self->add_item();
        $session->param("key1","value1");  # Works as expected
        $tmpl->param(DATA => Dumper($data));

        return $tmpl->output;
}