How to Capture multiple query parameters in the s.util.getQueryparam

Requirement : Want to capture the multiple query parameters in s.campaign variable of Adobe Analytics. URL:www.example.com?cmpid=hhhh&source=ssss&medium=dddd Use the following code: s.campaign = s.Util.getQueryParam(‘cmpid’)+”:”+s.Util.getQueryParam(‘source’)+”:”+s.Util.getQueryParam (‘medium’); Result: s.campaign =hhhh:ssss:dddd