function emailDocTestasDocx()
 {
  var id = '10odsSY4XX3TNhRjlmZoLOo2g3yNOP9g3pBebrk25G8g';// an example of Google doc
  var url = 'https://docs.google.com/spreadsheets/d/10odsSY4XX3TNhRjlmZoLOo2g3yNOP9g3pBebrk25G8g/edit#gid=754080197';
  var doc = DriveApp.getFileById(id); //used ID to get the file saved in your Drive using DriveApp.getFileById() method
  var me = Session.getEffectiveUser().getEmail();
  MailApp.sendEmail(me, 'test', 'see attachment', {attachments:[doc]}); //attach the file via email
}