<xs:attribute name="Type" use="optional"> <xs:annotation> <xs:documentation xml:lang="en">Defines how the cancellation penalty will be applied.</xs:documentation> </xs:annotation> <xs:simpleType> <xs:restriction base="xs:NMTOKEN"> <xs:enumeration value="Refund" /> <xs:enumeration value="Charge" /> <xs:enumeration value="Forfeiture" /> </xs:restriction> </xs:simpleType> </xs:attribute>