public function hookDisplayHeader($params)
{
$this->context->controller->addCSS( _MODULE_DIR_ . 'presta_pop/view/css/presta_pop.css' );
// ...
}
public function hookDisplayFooter($params)
{
$this->context->controller->addJS( _MODULE_DIR_ . 'presta_pop/view/js/displayMessage.js' );
// ...
}