<script>
      console.log('Сообщение работнику');
      $(document).on('change', '#btn_send_file', function() {
          var send_name = $('#send_name');
          var send_name_val = send_name.val();
          var this_final_name = $('#this_final_name');
  
          console.log(send_name_val);
          this_final_name.html(send_name_val);
  
      });
  </script>
  <div id="send2" class="modal">
      <div class="modal__body">
         fghfghfghfghfgh
      </div>
  </div>