gogle form trigger on submit

//==============================================
/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

function myFunction() {
  var triggers = ScriptApp.getProjectTriggers()
  for(var i in triggers) {
    ScriptApp.deleteTrigger(triggers[i])
  }
  ScriptApp.newTrigger("SendHold")
  .forForm(FormApp.getActiveForm())
  .onFormSubmit()
  .create()
}

//=========================================================

function SendHold(e)
{
  try
  {
    //====== MSA LALALU
    var message = ""
    var s = FormApp.getActiveForm().getResponses()
    var items = s[s.length-1].getItemResponses()
    for (var j = 0 j < items.length j++) {
      var item = items[j]
      message+= item.getItem().getTitle() + "=" + item.getResponse()+ "n"
      Logger.log('Response #%s to the question "%s" was "%s"',(s.length).toString(),item.getItem().getTitle(),item.getResponse())
    }
    //====== MSA LALALU
    /*
    var s = FormApp.getActiveForm().getResponses()
    var message = ""
    for (var i = 0 i < s.length i++) {
     
      message=''
      var items = s[i].getItemResponses()
      for (var j = 0 j < items.length j++) {
        var item = items[j]
        message+= item.getItem().getTitle() + "=" + item.getResponse()+ "n"
         Logger.log('Response #%s to the question "%s" was "%s"',(i + 1).toString(),item.getItem().getTitle(),item.getResponse())
      }
    }
    */
    GmailApp.sendEmail("[email protected]", "form test","isi" + "n" +message,{name: 'Form Layanan Desa'})
 
  } catch (e) {
    Logger.log(e.toString())
    MailApp.sendEmail("[email protected]","err log",e.toString() + 'n' + msg)
  }
}

//===================================================