Place in Expression as concatenated field
Example:
(Use in Data Pipeline tab with the Calcs icon - calculator):
rtrim(indv.baddress1)+iif(length(indv.baddress2)>0, ', '+rtrim(indv.baddress2)+',', rtrim(','))+' '+rtrim(rtrim(indv.bcity)+', '+indv.bst)+' '+rtrim(indv.bzipcode)