$mform->addHelpButton('{{ id }}', '{{ id }}', '{{ langCategory }}');
        //$mform->disabledIf('{{ id }}', 'value1', 'eq|noteq', 'value2');
        //$mform->addRule('{{ id }}', $strrequired, 'required', null, 'client');
        //$mform->setAdvanced('{{ id }}');