public static KafkaSinkDTO getFromRequest(KafkaSinkRequest request, String extParams) {
        KafkaSinkDTO dto = StringUtils.isNotBlank(extParams) ? KafkaSinkDTO.getFromJson(extParams) : new KafkaSinkDTO();
        return CommonBeanUtils.copyProperties(request, dto, true);
    }
Get the dto instance from the request
inlong-manager/manager-pojo/src/main/java/org/apache/inlong/manager/pojo/sink/kafka/KafkaSinkDTO.java