| source | 
					<xs:element name="MessageHeader"> 
  <xs:annotation> 
    <xs:documentation>Used for all messages</xs:documentation> 
  </xs:annotation> 
  <xs:complexType> 
    <xs:sequence> 
      <xs:element ref="MessageReference"/> 
      <xs:element ref="MessageRoutingID" minOccurs="0"/> 
      <xs:element ref="SenderReference" minOccurs="0"/> 
      <xs:element ref="Sender"/> 
      <xs:element ref="Recipient"/> 
    </xs:sequence> 
  </xs:complexType> 
</xs:element> |