AwaitingReply

AwaitingReply.gs

function label_awaiting_reply() {
  var emailAddress = Session.getEffectiveUser().getEmail();
  Logger.log(emailAddress);
  var EMAIL_REGEX = /[a-zA-Z0-9\._\-]+@[a-zA-Z0-9\.\-]+\.[a-z\.A-Z]+/g;
  var label = GmailApp.createLabel("AwaitingReply");
  var d = new Date();
  d.setDate(d.getDate() - 7);
  var dateString = d.getFullYear() + "/" + (d.getMonth() + 1) + "/" + d.getDate();
  threads = GmailApp.search("in:Sent after:" + dateString);
  for (var i = 0; i < threads.length; i++)
  {
    var thread = threads[i];
    var lastMessage = thread.getMessages()[thread.getMessageCount()-1];
    lastMessageSender = lastMessage.getFrom().match(EMAIL_REGEX)[0];
    if (lastMessageSender != emailAddress)
    {
      thread.addLabel(label);
      Logger.log(lastMessageSender);
    }
  }
}


function doGet(e){
  
  label_awaiting_reply();
  
}

To get scripts go to connect more apps when you click create and search for script.

I got lost after step 5.

I clicked "update" then

Resources -> current projects triggers

From there I set it to run every hour. I also ran it manually once. When I manually ran it it asked me for permissions.