<MessageHeader xmlns="http://hl7.org/fhir">
  <id value="core-examples-MessageHeader-example2" />
  <meta>
    <versionId value="1" />
    <lastUpdated value="2016-09-08T11:38:03.649+00:00" />
  </meta>
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>Update Person resource for Peter James CHALMERS (Jim), MRN: 12345 (Acme Healthcare)</p>
    </div>
  </text>
  <timestamp value="2012-01-04T09:10:14+00:00" />
  <event>
    <system value="http://hl7.org/fhir/message-type" />
    <code value="admin-update" />
  </event>
  <response>
    <identifier value="5015fe84-8e76-4526-89d8-44b322e8d4fb" />
    <code value="ok" />
  </response>
  <source>
    <name value="Acme Central Patient Registry" />
    <software value="FooBar Patient Manager" />
    <version value="3.1.45.AABB" />
    <contact>
      <system value="phone" />
      <value value="+1 (555) 123 4567" />
    </contact>
    <endpoint value="llp:10.11.12.13:5432" />
  </source>
  <destination>
    <name value="Acme Message Gateway" />
    <target>
      <reference value="Device/example" />
    </target>
    <endpoint value="llp:10.11.12.14:5432" />
  </destination>
  <enterer>
    <reference value="Practitioner/example" />
  </enterer>
  <author>
    <reference value="Practitioner/example" />
  </author>
  <responsible>
    <reference value="Practitioner/example" />
  </responsible>
  <reason>
    <coding>
      <system value="http://hl7.org/fhir/message-reasons-encounter" />
      <code value="admit" />
    </coding>
  </reason>
  <data>
    <reference value="Patient/example" />
  </data>
</MessageHeader>