Hi AA experts, My AA client is asking if the "Activity Impression" can be used in  segment builder? They were trying to do so but it seems not worked, and I even couldn't find this metrics in segment builder in my environment (but saw it in A4T workspace). Does this mean this metric only exist in re...

If I want add a new rawbox, is it needed to change the value of the parameter mboxSession (139603 2094853 in this explanation)? Or I just need to use a new rawbox name to replace former one in this script directly?