---

function () {
  var data = {};

  data.registerType = "АНПФ";

  let id_register = application().id;

  if (skip_url_app) {
    data.id = -1;
  } else {
    data.id = id_register;
  }

  // Фильтр: статус
  if ($("#filter_status").val()) {
    data.status = $("#filter_status").val();
  }

  // Фильтр: дата реестра с
  if ($("#filter\\.created_at_from").val()) {
    data.created_at_from = $("#filter\\.created_at_from").val();
  }

  // Фильтр: дата реестра по
  if ($("#filter\\.created_at_to").val()) {
    data.created_at_to = $("#filter\\.created_at_to").val();
  }

  // Фильтр: номер реестра
  if ($("#filter\\.account_number").val()) {
    data.account_number = $("#filter\\.account_number").val();
  }

  return data;
}



<input type="text" id="filter.register_number" name="filter.register_number" class="form-control" placeholder="Номер реестра">


if ($("#filter\\.register_number").val()) {
  data.register_number = $("#filter\\.register_number").val();
}


$('#filter\\.search').click(function () {
  skip_url_app = true;
  registerTable.reload();
});

$('#filter\\.cleanFilter').click(function () {
  $('#filter_status').select2('val', '');
  $('#filter\\.created_at_from').val('');
  $('#filter\\.created_at_to').val('');
  $('#filter\\.account_number').val('');

  skip_url_app = false;
  registerTable.reload();
});







$('#filter\\.register_number').val('');