Piwik\Widget\WidgetsList::checkIsValidWidget PHP Метод

    private function checkIsValidWidget(WidgetConfig $widget)
    {
        if (!$widget->getModule()) {
            Development::error('No module is defined for added widget having name "' . $widget->getName());
        }
        if (!$widget->getAction()) {
            Development::error('No action is defined for added widget having name "' . $widget->getName());
        }
    }