[ {
    "paramName": "n",
    "paramLongName": "namenode",
    "paramDescription": "the Name Node URI",
    "paramRequired": true
  },
  {
    "paramName": "t",
    "paramLongName": "targetPath",
    "paramDescription": "the target PATH where download the files",
    "paramRequired": true
  },
  {
    "paramName": "a",
    "paramLongName": "apiURL",
    "paramDescription": "the URL  to download the tar file",
    "paramRequired": true
  },
  {
    "paramName": "at",
    "paramLongName": "accessToken",
    "paramDescription": "the accessToken to contact API",
    "paramRequired": true
  }
]