+=item currency
+
+Currency, specified as an ISO 4217 three-letter code, such as USD, CAD, EUR,
+AUD, DKK, GBP, JPY, NZD, etc.
+
+=item partial_auth
+
+If you are prepared to handle partial authorizations
+(see L<partial_auth_amount()|/"partial_auth_amount()">
+ in L<TRANSACTION RESULT FIELDS|/"TRANSACTION RESULT FIELDS">),
+pass a true value in this field to enable them.
+