<?xml version=“1.0” encoding=“UTF-8”?> <Bundle xmlns=“hl7.org/fhir”>

<id value="bundle-search-warning"/>
<meta>
  <lastUpdated value="2017-03-14T08:23:30+11:00"/>

  <security>
    <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
    <code value="HTEST"/>
    <display value="test health data"/>
  </security>
</meta> 

<type value="searchset"/>  
<total value="0"/>
<link>
  <relation value="self"/>
  <url value="https://example.org/fhir/Observation?patient.identifier=http://example.com/fhir/identifier/mrn|123456"/>
</link>

<entry>
  <!--  the matching resource  -->
  <resource>
    <OperationOutcome>
      <id value="warning"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml">There is no matching patient for MRN 123456</div>
      </text>
      <issue>
        <severity value="warning"/>
        <code value="not-found"/>
        <details>
          <text value="There is no matching patient for MRN 123456"/>
        </details>
      </issue>
    </OperationOutcome>
  </resource>
  <search>
    <!--  this is not a match - it's about the search  -->   
    <mode value="outcome"/> 
  </search>
</entry>

</Bundle>