'template' => $template, #params{'template'},
'notice_name' => ($params{'notice_name'} || 'Invoice'),#escape_function?
'current_charges' => sprintf("%.2f", $self->charged),
'template' => $template, #params{'template'},
'notice_name' => ($params{'notice_name'} || 'Invoice'),#escape_function?
'current_charges' => sprintf("%.2f", $self->charged),