public static RedisSinkDTO getFromRequest(RedisSinkRequest request, String extParams) throws Exception {
        RedisSinkDTO dto = StringUtils.isNotBlank(extParams)
                ? RedisSinkDTO.getFromJson(extParams)
                : new RedisSinkDTO();
        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/redis/RedisSinkDTO.java