public function saveEnabled($mSlug)
    {
        $oAppSettingService = Factory::service('AppSetting');

        if ($this->bEnableMultiple) {

            $mSlug = (array) $mSlug;
            $mSlug = array_filter($mSlug);
            $mSlug = array_unique($mSlug);

        } else {

            $mSlug = trim($mSlug);
        }

        $aSetting = [
            $this->sEnabledSetting => $mSlug,
        ];

        if (!$oAppSettingService->set($aSetting, $this->sModule)) {
            throw new NailsException($oAppSettingService->lastError(), 1);
        }

        return $this;
    }