Google Apps Script - Gmail, delete forever e-mails in trash with specific label

Question

I\'m trying to make a script that automatically deletes e-mails from a certain sender immediately and permanently, as Gmail only allows for a filter which sends an e-mail to

Answer 1

try this

function delete_all_mail(){
var myspreadsheet = SpreadsheetApp.openById('1AG1fZ9BuS8***********');
var mysheet = myspreadsheet.getSheets()[0];
//0~500
var threads = GmailApp.getInboxThreads(0 , 500);
  for(var i = 0; i < threads.length; i++)
  {
   threads[i].moveToTrash();
  }
}