Can't make event work oc 2.3.0.2

Code: Select all

<?php
class ControllerExtensionMyextCart extends Controller {
    
    public function install() {
        
        $this->load->model('extension/event');
        
        $code = "myext_cart";
        $trigger = "catalog/view/checkout/cart/before";
        $action = "extension/myext/cart/beforeCartView";
        $this->model_extension_event->addEvent($code, $trigger, $action);
    }

    public function beforeCartView() {
        $this->log->write('ok');
    }

    public function uninstall() {
        $this->load->model('extension/event');
        $this->model_extension_event->deleteEvent('myext_cart');
    }
}

Code: Select all

public function beforeCartView($route = false, &$data = false){
	$data['heading_title'] = 'New Heading Title';
}

Code: Select all

 public function beforeCartView(&$route, &$data, &$output) {
        $this->log->write('ok');
    }

Code: Select all

<?php
class ControllerExtensionMyextCart extends Controller {
    public function beforeCartView() {
        $this->log->write('ok');
    }
}