OptionalcounterpartyOptionalcurrencyISO currency of amount, as RouteFusion reports it on an incoming
transfer. Absent on a debit, whose source and destination currencies
RouteFusion reports separately. The mapper does not read it; it decides
whether the credit may be minted without an operator.
The feed that produced the record. The row's type can still differ: the mapper turns a negative incoming amount (a third party's pull) into a debit.
OptionalpaymentISO 8601.
Optionalreference
Provider-neutral view of one RouteFusion money movement. Both producers (poll + webhook) adapt into this before mapping, so a RouteFusion field-name change only touches the two adapters, never this module.