Is there a way to set it directly from my system code behind?I mean from AppMeasument.js for example? Reason is that want to assign my own unique value as visitorId so I need to be able to access it from the project.   

Hi guysI am complete Adobe Analytic rookie but happened to need to modify existing setup to include visitorID variable.  The implementation is using DTM and the custom for the system variables are already properly set. visitorID however is native to AA. According to documentation I should just set i...