prestashop-1.6

I have an overridden class OrderConfirmationControllerCore . I have a modul with class Abra . I need to get an instance of Abra class in the OrderConfirmationControllerCore My code is: class OrderConfirmationController extends OrderConfirmationControllerCore { public function init() { $abraSetDocs = new Abra(); parent::init(); } } This generates error: Fatal error: Class 'Abra' not found in /../override/controllers/front/OrderConfirmationController.php on line 39 How can I get the instance of the class? $abraSetDocs = Module::getInstanceByName('abra'); Note that 'abra' is the name of the

I am developing a module in prestashop. I have a JS for configuration page for my module. I am using displayBackOfficeHeader hook to add my JS in header. But after installing my module when i configure my module it's give me Jquery issue because my JS in adding at top means before jquery.js Que 1) How to manage that my JS should add in header after Jquery.js ? Que 2) If we can't manage same as que Ist then how to add JS in footer? In most cases to add any asset (JavaScript or CSS) to a back-office (admin pages) you should use the hook actionAdminControllerSetMedia() . Full steps to register