<?xml version="1.0" encoding="UTF-8"?><SearchParameter xmlns="http://hl7.org/fhir"><id value="example-extension"/><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 &quot;example-extension&quot; </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>