Hi,Before we use the Adobe Launch set up for mobile app, we used adobe mobile service.With adobe mobile service, we capture visitorMarketingCloudID at all the page / mobile screen and store visitorMarketingCloudID in the evar.The syntax for iOS and Android to visitorMarketingCloudID at page tracking as below. iOSNSString* visitorMCID = [ADBMobile visitorMarketingCloudID];[contextData setObject:visitorMCID forKey:@"app.visitor.marketingCloudID"];[contextData setObject:@"homepage" forKey:@"app.pag...