<xs:element name="ServiceProvider"> <xs:complexType> <xs:sequence> <xs:element name="PersonName" type="commons:ContactablePerson" /> <xs:element name="OfficeName" /> </xs:sequence> <xs:attribute name="serviceProviderId" type="xs:string" use="required" /> <xs:attribute name="name" type="xs:string" use="required" /> </xs:complexType> </xs:element>