GAS sample for DISCORD/SLACK WebHook

slack-discord.js

SLACK = #SLACK Webhook URL
DISCORD = #discord webhook URL

function discordMsg(msg){
   var payload = {
    username : BOTNAME,
    content : msg 
  };
  var options = {
    'method' : 'post',
    'contentType': 'application/json',
    'payload' : JSON.stringify(payload)
   };
  var res = UrlFetchApp.fetch(DISCORD, options);

  console.log(options);
  console.log(res.getHeaders());
  
}

function slackMsg(msg){
  var payload = {
    username : BOTNAME,
    channel : CHANNEL,
    text : msg 
  };
  var options = {
    'method' : 'post',
    'contentType': 'application/json',
    'payload' : JSON.stringify(payload)
   };
  var res = UrlFetchApp.fetch(SLACK, options);

  console.log(options);
  console.log(res.getHeaders());
  
}