odoo.define('my_module', function (require)
{

    "use strict";

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

    FormRenderer.include({

        confirmChange: function (state, id, fields, e) {
            if(this.state.model == 'your_model')
            {
                //your code here
            }
            return this._super.apply(this, arguments);
        },

    });

});