public function getPromoUrlForProfessionalServices($campaignMedium, $campaignContent = '')
    {
        $url = 'https://matomo.org/support/?';

        $campaign = $this->getCampaignParametersForPromoUrl(
            $name = self::CAMPAIGN_NAME_PROFESSIONAL_SERVICES,
            $campaignMedium,
            $campaignContent
        );

        return $url . $campaign;
    }