Dear Sree,Assuming my below understanding is correct.You are passing s.campaign(context data) at Application and at processing rules you are overwriting the s.campaign with s.campaign(context data) if set.And eVar36 is not the context data, but based on s.campaign(context data) eVar36 is set like below (As example):Overwrite eVar36 with Custom Value 'Email', if s.campaign(context data) is set and s.campaign(context data) starts with 'EM'.If you have set the above, you should not see any differen...