Trigger event on tab change in form

odoo.define('bantip_tools.list_search', function(require) {
    "use strict";

    var FormRenderer = require('web.FormRenderer');

    FormRenderer.include({

        events : _.extend({}, FormRenderer.prototype.events, {
            'shown.bs.tab a[data-toggle="tab"]': '_onTabChange'
        }),

        _onTabChange: function (ev) {
            var $target = $(ev.target);
            console.debug($target);
        }

    });

});