<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ext-ConsentDescription" />
  <url value="https://vitalhub.com/fhir/StructureDefinition/ext-ConsentDescription" />
  <name value="ConsentDescription" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Consent" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="ConsentDescription" />
      <definition value="A free-text description associated with the Consent." />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <min value="1" />
      <max value="1" />
      <fixedUri value="https://vitalhub.com/fhir/StructureDefinition/ext-ConsentDescription" />
    </element>
    <element id="Extension.valueString">
      <path value="Extension.valueString" />
      <short value="Description text" />
      <definition value="Free-text description of the consent." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
    </element>
  </differential>
</StructureDefinition>