After upgrade to 7.2 ajax don't call action

Hi

Yesterday upgrade from 7.1 to 7.2.1, works fine after clear all relationship and cache.

But, I have a problem calling action using ajax. This works on previous release :-/

Any idea?

$("#message").dialog({
      resizable: false,
      height: 240,
      modal: true,
      buttons: {
        "Continue": function () {
          $(this).dialog("close");
          $.ajax({
            url: url,
            type: "POST",
            data: {module: 'Contacts', return_action: 'DetailView', record: id, action: 'sync_to_f2m'},
            success: function (result) {
              $('#_f2m_c').text(result.uid);
              alert("Contact synced");
              console.log("success");
              console.log(result);

            },
            error: function (result) {
              alert("Error");
              console.log("error");
            }
          });
        },
        "Cancel": function () {
          $(this).dialog("close");
        }
      }
    });

And Contact custom actions

<?php
if (!defined('sugarEntry') || !sugarEntry)
  die('Not a valid Entry point');

include 'modules/Contacts/controller.php';

//require_once('include/MVC/Controller/SugarController.php');
require_once('modules/msims_SIMs/msims_SIMs.php');
require_once('modules/msims_Promotions/msims_Promotions.php');
require_once('modules/Contacts/Contact.php');

//require('include/javascript/yui3/build/yui/yui-min.js');

class CustomContactsController extends ContactsController {

  function action_sync_to_f2m() {