Link: Override Module Prestashop

define('PS_DISABLE_OVERRIDES', false); Goal: Override blockcart module to add a discount message in cart summary.

<?php // override/modules/mymodule/controllers/front/DefaultController.php class MyModuleDefaultControllerOverride extends MyModuleDefaultControllerModuleFrontController override module prestashop

After saving, clear cache – the message appears automatically. This complete guide covers you need to safely override any module in PrestaShop 1.7 and 8.x. public function initContent()

/override/modules/mymodule/controllers/front/DefaultController.php override module prestashop

return 'Custom functionality added via override';

public function initContent()