<xsd:group name="LoanIdentifiers.model"> <xsd:annotation> <xsd:documentation xml:lang="en">A model which contains the identifiers used by loan structures.</xsd:documentation> </xsd:annotation> <xsd:choice> <xsd:element name="eventIdentifier" type="BusinessEventIdentifier" /> <xsd:element name="overrideIdentifier" type="OverrideIdentifier" /> <xsd:element name="taskIdentifier" type="TaskIdentifier" /> </xsd:choice> </xsd:group>