public static HudiColumnInfo getFromJson(String extParams) {
        if (StringUtils.isEmpty(extParams)) {
            return new HudiColumnInfo();
        }
        try {
            return JsonUtils.parseObject(extParams, HudiColumnInfo.class);
        } catch (Exception e) {
            throw new BusinessException(ErrorCodeEnum.SINK_INFO_INCORRECT.getMessage() + ": " + e.getMessage());
        }
    }
Get the extra param from the Json
inlong-manager/manager-pojo/src/main/java/org/apache/inlong/manager/pojo/sink/hudi/HudiColumnInfo.java