Targeted Provenance Example for an extension - race came from admission paperwork (id = "example4")

<?xml version="1.0" encoding="UTF-8"?>

<Provenance xmlns="http://hl7.org/fhir">
  <id value="example4"/> 
  <!--   
    Use path when the target resource doesn't have an id to point to
    Note that the path is constrained to simple FHIRPath - see 
    https://hl7.org/fhir/fhirpath.html#simple
    
    This asserts that the race came from admitting clinician (example provided
   
    to show how to point to an extension)
    -->
  <target> 
    <extension url="http://hl7.org/fhir/StructureDefinition/targetPath">
      <valueString value="Patient.extension('http://hl7.org/fhir/us/core/StructureDefinition/us-core-race')"/> 
    </extension> 
    <reference value="Patient/pat3/_history/1"/> 
  </target> 
  <recorded value="2021-12-08T16:54:24+11:00"/> 
  <agent> 
    <type> 
      <coding> 
        <system value="http://terminology.hl7.org/CodeSystem/v3-ParticipationType"/> 
        <code value="ADM"/> 
      </coding> 
    </type> 
    <who> 
      <reference value="Practitioner/f007"/> 
    </who> 
  </agent> 
</Provenance>