##
my $self = Some::CGI::Class->new( %params );
$self->update_data;
return $self->template_data;
##
##
$self->update_data;
my $t = HTML::Template->new( $sometemplate );
my $tpp = HTML::Template::PreProcessor->( hash=>'sorted' , style=>'array' , object=>$self );
$t->param ( $tpp->preprocess );
return $t->output;