<xs:simpleType name="reversalReasonCodeType" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:restriction base="xs:string"> <xs:enumeration value="CUSTOMERCANCELLATION" /> <xs:enumeration value="TERMINALERROR" /> <xs:enumeration value="TIMEOUT" /> <xs:enumeration value="CHIPCARDDECLINE" /> <xs:enumeration value="MACFAILURE" /> </xs:restriction> </xs:simpleType>