GASWA menampilkan NAMA pengirim saja

function kirimPesan() {
  var url = 'https://sender.digilunar.com/send-message';
 var headers = {
  'Content-Type' : 'application/json',
  'Authorization' : 'vcQwWe2hJiHLYvyGosWHtS9msP7Bmt'
 };
 
  var body = {
          "api_key": "vcQwWe2hJiHLYvyGosWHtS9msP7Bmt",
          "sender": "6285708249267",
          "number": "6285229944411",
          "message": "Uji coba lunar"
  }
var options = {
  'method' : 'post',
  'headers' : headers,
  'payload' : JSON.stringify(body)
};

  var hasil = UrlFetchApp.fetch(url,options);
  Logger.log (hasil);
}
function doPost(e){
  var konten = e.postData.contents.split(',',12)[7].trim();
  var pengirim = konten.slice(12,konten.length-1);
  GmailApp.sendEmail('finaasiyb@gmail.com',"uji coba script",pengirim);
}