GAS UrlFetchApp Slack API conversations.list

const { WebClient, LogLevel } = require("@slack/web-api");

function callWebApi(token, apiMethod) {  const response = UrlFetchApp.fetch(    `https://www.slack.com/api/${apiMethod}`,    {      method: "post",      contentType: "application/x-www-form-urlencoded",      headers: { "Authorization": `Bearer ${token}` },    }  );  console.log(`Web API (${apiMethod}) response: ${response}`)  return response;}

const token = "xoxp-1234"const apiResponse = callWebApi(token, "conversations.list");

Web API (conversations.list) response: {  "ok":true,"channels":[  {"id":"C0385KDLRD5","name":"making-bot",... },  {"id":"C038L782V3M","name":"random",... },  {"id":"C038NHHFN3E","name":"general",...},  "response_metadata":{"next_cursor":""},}

"name":"making-bot","is_channel":true,"is_group":false,"is_im":false,"is_mpim":false,"is_private":false,"created":1648155092,"is_archived":false,"is_general":false,"unlinked":0,"name_normalized":"making-bot","is_shared":false,"is_org_shared":false,"is_pending_ext_shared":false,"pending_shared":[],"parent_conversation":null,"creator":"U038DHKP87Q","is_ext_shared":false,"shared_team_ids":["T038NHHEJJY"],"pending_connected_team_ids":[],"is_member":true,