<script>
    console.log('Сообщение работнику');
    $("#form_worker" ).submit(function(event) {
        var val = $(this).val();
        var send_title = $('#send_title');
        var send_title_val = send_title.val();

        console.log('Click  form.');
    });

    $(document).on('change', '#btn_send_file', function() {

          var send_name = $('#send_name');
          var send_name_val = send_name.val();
          var send_name_file = $('#send_name_file');

          console.log(send_name_val);
          send_name_file.html(send_name_val);

    });
</script>
<div id="send" class="modal">
    <div class="modal__body">
        <div class="modal__title">fghfghfghfgh</div>
    </div>
</div>