2022.07.30時点

youtrustReplyBot.gs

const words = [
  'Go',
  'Swift',
  'Kotlin',
  'Flutter',
  'iOS',
  'Android'
];

function doPost(e){
  const params = JSON.parse(e.postData.getDataAsString());
 
  const attachments = params.event.attachments;

  let test = attachments[0].text.toString();
  test = test.replace(/\n/g,"").replace(/.*できること/m,"[できること").replace(/Slack通知設定は.*/m,"");

  let shouldPost = false;
  for (let i in words) {
    if (test.includes(words[i])) {
      shouldPost = true;
    }
  }

  if (!shouldPost) {
    return;
  }

  // 実際に表示されるメッセージ内容
  const contents = `<@{userid}> 確認をお願いしますmm`;

  const options = {
    "method" : "post",
    "contentType" : "application/json",
    "payload" : JSON.stringify(
       {
          "text" : contents,
          "thread_ts" : params.event.ts
       }
     )
  };
 
  // 投稿先
  UrlFetchApp.fetch("{webhook url}", options);
}