Place in Expression as concatenated field
Example:
(Use in Data Pipeline tab with the Calcs icon - calculator):
rtrim(indv.address1)+iif(length(indv.address2)>0, ', '+rtrim(indv.address2)+',', rtrim(','))+' '+rtrim(rtrim(indv.city)+', '+indv.st)+' '+rtrim(indv.zipcode)