I have working extension of 3.0 Opencart and i need convert it to 2.3.0.2. Right now, i can't fix install/uninstall method at admin/controller
public function install()
    {
        if (!$this->model_setting_event->getEventByCode('travesty_admin_column_left')) {
            $code = "travesty_admin_column_left";
            $trigger = "admin/view/common/column_left/before";
            $action = "extension/module/travesty/menu";
            $this->model_setting_event->addEvent($code, $trigger, $action);
            $code = "travesty_footer";
            $trigger = "catalog/view/common/footer/before";
            $action = "extension/module/travesty/footer";
            $this->model_setting_event->addEvent($code, $trigger, $action);
            $code = "travesty_header";
            $trigger = "catalog/view/common/header/before";
            $action = "extension/module/travesty/header";
            $this->model_setting_event->addEvent($code, $trigger, $action);
        }
    }
    public function uninstall()
    {
        $this->model_setting_event->deleteEventByCode('travesty_admin_column_left');
        $this->model_setting_event->deleteEventByCode('travesty_footer');
        $this->model_setting_event->deleteEventByCode('travesty_header');
    }
According to documentation, events available from 2.2 version of OpenCart, so, what shoud i chancge to make it work?