<?xml version="1.0" encoding="UTF-8"?><SearchParameter xmlns="http://hl7.org/fhir">
  <id value="example-extension"/>
  <meta>
    <security>
      <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
      <code value="HTEST"/>
      <display value="test health data"/>
    </security>
  </meta>
  <text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p><b>Generated Narrative: SearchParameter</b><a name="example-extension"> </a></p><div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px">Resource SearchParameter "example-extension" </p></div><p><b>url</b>: <code>http://hl7.org/fhir/SearchParameter/example-extension</code></p><p><b>name</b>: ExampleSearchParameterOnAnExtension</p><p><b>title</b>: Example Search Parameter on an extension</p><p><b>status</b>: draft</p><p><b>experimental</b>: true</p><p><b>publisher</b>: Health Level Seven International (FHIR Infrastructure)</p><p><b>contact</b>: <a href="http://hl7.org/fhir">http://hl7.org/fhir</a></p><p><b>description</b>: Search by url for a participation agreement, which is stored as an extension referencing a DocumentReference</p><p><b>code</b>: part-agree</p><p><b>base</b>: Patient</p><p><b>type</b>: reference</p><p><b>expression</b>: Patient.extension('http://example.org/fhir/StructureDefinition/participation-agreement').value</p><p><b>processingMode</b>: normal</p><p><b>target</b>: DocumentReference</p></div></text><url value="http://hl7.org/fhir/SearchParameter/example-extension"/>
  <name value="ExampleSearchParameterOnAnExtension"/>
  <title value="Example Search Parameter on an extension"/>
  <status value="draft"/>
  <experimental value="true"/>
  <publisher value="Health Level Seven International (FHIR Infrastructure)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
  </contact>
  <description value="Search by url for a participation agreement, which is stored as an extension referencing a DocumentReference"/>
  <code value="part-agree"/>
  <base value="Patient"/>
  <type value="reference"/>
  <expression value="Patient.extension('http://example.org/fhir/StructureDefinition/participation-agreement').value"/>
  <processingMode value="normal"/>
  <target value="DocumentReference"/>
</SearchParameter>