This image show a populated Edit Function - lookupValue1M dialog. This dialog contains the following Function Parameters fields:
dvmLocation field containing value "PaymentTerms.dvm".
sourceColumnName field containing value "PaymentTerms".
sourceValue field containing value /imp1:PaymentTerms/imp1:PaymentTerm/@name.
Three targetColumnName fields containing following values:
DiscountPercentage
DiscountPeriod
NetCreditPeriod
In addition, there are Add, Remove, Move Up, and Move Down button to the right of Function Parameters.
There is one Function Description field under Function Parameters describing the lookupValue1M function.
Help, OK, and Cancel buttons.