pos_ticket_homepro/static/src/js/main.js

openerp.pos_ticket_homepro = function(instance) {
    var module = instance.point_of_sale;
    pos_screens(instance, module);
    pos_customer(instance, module);

    instance.web.client_actions.add('pos.ui', 'instance.point_of_sale.PosWidget');
};