public static PulsarSinkDTO getFromRequest(PulsarSinkRequest request, String extParams) {
        PulsarSinkDTO dto =
                StringUtils.isNotBlank(extParams) ? PulsarSinkDTO.getFromJson(extParams) : new PulsarSinkDTO();
        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/pulsar/PulsarSinkDTO.java