public function getTemplateConnections(bool $force = false) : CNabuMessagingServiceTemplateList
    {
        if ($this->nb_messaging_template_service_list->isEmpty() || $force) {
            $this->nb_messaging_template_service_list->clear();
            $this->nb_messaging_template_service_list->merge(
                CNabuMessagingServiceTemplate::getTemplatesForService($this)
            );
        }

        return $this->nb_messaging_template_service_list;
    }