function saveFile(e, destino) {

  Logger.log("pre-file: " + e);
  let blob = Utilities.newBlob(e.bytes, e.mimeType, e.filename);
  Logger.log("blob: " + blob);
  let file = DriveApp.createFile(blob);
  Logger.log("file: " + file);

  file.moveTo(DriveApp.getFolderById(destino));

  let fileURL = file.getUrl();

  Logger.log(fileURL);

  return fileURL;

}