Yahoo! JAPAN Ads Script | Developer Center

function uploadFeedData() {
  const accountId = AdsUtilities.getCurrentAccountId();
  const uploadType = 'UPDATE_ALL';//UPDATE_ALL or UPDATE_PART
  const fileId = 'fileIdAAA';//The file ID of the file on Google Drive
  //Obtain the feed ID (as it cannot be checked on the management screen)
  let feedMaster = Display.FeedService.get({
    accountId: accountId
  }).rval;
  if (feedMaster.totalNumEntries == 0) {
    throw new Error('No feed ID exists in the account.');
  }
  const feedId = feedMaster.values[0].feed.feedId;
  //File Upload
  var fileContent = DriveApp.getFileById(fileId).getBlob().getBytes();
  let uploadFeedData = Display.FeedDataService.upload(
    accountId,
    feedId,
    uploadType,
    false,
    fileContent
  ).rval;
  if (uploadFeedData.values[0].operationSucceeded) {
    let feedData = uploadFeedData.values[0].feedData;
    Logger.log('feedId -> ' + feedData.feedId
      + ', fileUploadStatus -> ' + feedData.fileUploadStatus
      + ', itemListUploadId -> ' + feedData.itemListUploadId + ' have been uploaded.');
  } else {
    Logger.log('feedId-> ' + feedId + ' could not to be uploaded.');
  }
}