Google Apps Script から multipart/form-data でファイルを送信する(2)

SendMultipartFormFromGAS2.js

function request () {
  
  var encodedFilename = "=?UTF-8?B?" + Utilities.base64Encode("ファイル名.csv", Utilities.Charset.UTF_8) + "?=";

  var payload = {
    "processModelInfoId": "1",
    "nodeNumber": "1",
    "key": "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
    "title": "件名をここに",
    "data[0].upload": Utilities.newBlob("ファイル本文をここに", "text/csv; charset=UTF-8", encodedFilename)
  };
    
  var options = {
     "method" : "post",
     "payload" : payload
  };
  
  UrlFetchApp.fetch("https://YYYYYYYY.questetra.net/System/Event/MessageStart/start", options);

}