<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="patient-test-extention" />
  <meta>
    <lastUpdated value="2017-05-29T09:20:48.663+02:00" />
  </meta>
  <url value="StructureDefinition/MyExtension" />
  <name value="patient-test-extention" />
  <status value="draft" />
  <date value="2017-05-29T09:06:47.061112+02:00" />
  <fhirVersion value="3.0.0" />
  <kind value="primitive-type" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="Patient" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element>
      <path value="Extension.url" />
      <fixedUri value="StructureDefinition/MyExtension" />
    </element>
    <element>
      <path value="Extension.valueBoolean" />
      <type>
        <code value="boolean" />
      </type>
    </element>
  </differential>
</StructureDefinition>