Auto Delete, Archive, and Fowrard Gmail with Google Scripts

Google Email Code

//To install go to https://www.google.com/script/start/ and setup the triggers
function cleanUp() {
var delayDays = 7 // Enter # of days before messages are moved to trash
 
var maxDate = new Date();
maxDate.setDate(maxDate.getDate()-delayDays);
   
var label = GmailApp.getUserLabelByName("delete me after 7 days");
var threads = label.getThreads();
for (var i = 0; i < threads.length; i++) {
  if (threads[i].getLastMessageDate()<maxDate)
  {
    threads[i].moveToTrash();
  }
}
}

function archiveInbox() {
// Every thread in your Inbox that is read, older than two days, and not labeled "delete me".
var threads = GmailApp.search('label:inbox is:read older_than:2d -label:"delete me"');
  for (var i = 0; i < threads.length; i++) {
    threads[i].moveToArchive();
}
}

//Forwards everything with the "forward me please" label to an email address, and then removes the label
function forward() {
var label = GmailApp.getUserLabelByName("forward me please");
var threads = label.getThreads();
for (var i = 0; i < threads.length; i++) {
  var messages = threads[i].getMessages();
  for (var j = 0; j < messages.length; j++){
    messages[j].forward("userToSendTo@example.com");
  }
  threads[i].removeLabel(label);
}
}