Script to concatenate address1 + address2 + city + state + zip into one field:
if (Event.Value["Address2"] != null)
Event.Value = Event.Value += ", " + Event.Record["Address2"] + ", " + Event.Record["City"] + ", " + Event.Record["State"] + ", " + Event.Record["ZIP"];
else Event.Value = Event.Value += ", " + Event.Record["City"] + ", " + Event.Record["State"] + ", " + Event.Record["ZIP"];