<MessageHeader xmlns="http://hl7.org/fhir">
  <id value="core-examples-MessageHeader-example3" />
  <meta>
    <versionId value="1" />
    <lastUpdated value="2016-09-08T11:58:25.381+00:00" />
  </meta>
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>This message is a request to link Patient records 654321 (Patient Donald DUCK @ Acme Healthcare, Inc) and 123456 (Patient Donald D DUCK @ Acme Healthcare, Inc)</p>
    </div>
  </text>
  <timestamp value="2015-07-14T11:15:33+10:00" />
  <event>
    <system value="http://hl7.org/fhir/message-events" />
    <code value="patient-link" />
  </event>
  <source>
    <endpoint value="http://example.org/clients/ehr-lite" />
  </source>
  <destination>
    <endpoint value="http://acme.com/ehr/fhir" />
  </destination>
  <responsible>
    <reference value="http://acme.com/ehr/fhir/Practitioner/2323-33-4" />
  </responsible>
  <data>
    <reference value="http://acme.com/ehr/fhir/Patient/pat1" />
  </data>
  <data>
    <reference value="http://acme.com/ehr/fhir/Patient/pat12" />
  </data>
</MessageHeader>