niwatako

var SLACK_USER_ID_TO_NOTICE = PropertiesService.getScriptProperties().getProperty("SLACK_USER_ID_TO_NOTICE")
var SLACK_WEBHOOK_URL = PropertiesService.getScriptProperties().getProperty("SLACK_WEBHOOK_URL")
var SLACK_CHANNEL = PropertiesService.getScriptProperties().getProperty("SLACK_CHANNEL")
var SLACK_BOT_NAME = PropertiesService.getScriptProperties().getProperty("SLACK_BOT_NAME")
var DIGEST_PROPERTY_KEY = "DIGEST_PROPERTY_KEY"

function main() {
  var url = "https://www.fsa.go.jp/menkyo/menkyoj/kasoutuka.pdf"
  var pdf = UrlFetchApp.fetch(url).getAs('application/pdf')
  var bytes = pdf.getBytes