private String findCharacteristicAndJoinValues(List<SpecCharacteristicDTO> lst, String name) {
    StringBuilder res = new StringBuilder();
    for (SpecCharacteristicDTO spec : lst) {
        List<String> values = spec.getEnumValues();
        if (spec.getCharacteristic().getName().equals(name) && values != null) {
            res.append(String.join("; ", values));
            }
        }
    return res.toString();
}