<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://telus.com/fhir/patientChart/StructureDefinition/ext-provenance-comment" />
  <name value="ExtProvenanceComment" />
  <status value="draft" />
  <description value="Allows for a comment to be added that pertains to the activity, that is not specifically a reason." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Provenance" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="http://telus.com/fhir/patientChart/StructureDefinition/ext-provenance-comment" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <min value="1" />
      <type>
        <code value="string" />
      </type>
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>