<schema> <complexType name="Person"> <attribute name="id" type="xs:string"/> <sequence> <element name="Name" type="xs:string"/> <element name="Lastname" type="xs:string"/> <element name="Degree" type="xs:int"/> <element name="Project" type="xs:string" minOccurs="0" maxOccurs="unbounded"/> </sequence> </complexType> </schema>