<xsd:complexType name="SPQ_Q08.CONTENT"> <xsd:sequence> <xsd:element ref="MSH" minOccurs="1" maxOccurs="1" /> <xsd:element ref="SPR" minOccurs="1" maxOccurs="1" /> <xsd:element ref="RDF" minOccurs="0" maxOccurs="1" /> <xsd:element ref="DSC" minOccurs="0" maxOccurs="1" /> </xsd:sequence> </xsd:complexType>