<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ExtConsentResearchExemption-StructureDefinition" />
  <url value="https://pseudofrog.com/fhir/StructureDefinition/ExtConsentResearchExemption" />
  <version value="0.1" />
  <name value="ExtConsentResearchExemption" />
  <status value="draft" />
  <date value="2024-04-12T19:46:43.7370923+00:00" />
  <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.extension">
      <path value="Extension.extension" />
      <min value="1" />
    </element>
    <element id="Extension.extension:researchExemptionId">
      <path value="Extension.extension" />
      <sliceName value="researchExemptionId" />
      <min value="1" />
      <max value="1" />
      <constraint>
        <key value="unique-researchExemptionId" />
        <severity value="error" />
        <human value="An extension with the same OID already exists." />
        <expression value="extension.where(url='researchExemptionId').valueUri.unique().count() = extension.where(url='researchExemptionId').count()" />
      </constraint>
    </element>
    <element id="Extension.extension:researchExemptionId.url">
      <path value="Extension.extension.url" />
      <fixedUri value="researchExemptionId" />
    </element>
    <element id="Extension.extension:researchExemptionId.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="Coding" />
      </type>
    </element>
    <element id="Extension.extension:researchExemptionId.value[x].system">
      <path value="Extension.extension.value[x].system" />
      <fixedUri value="https://pseudofrog.com/fhir/StructureDefinition/ResearchExemptionCodeSystem" />
    </element>
    <element id="Extension.extension:researchExemptionStatus">
      <path value="Extension.extension" />
      <sliceName value="researchExemptionStatus" />
      <max value="1" />
    </element>
    <element id="Extension.extension:researchExemptionStatus.url">
      <path value="Extension.extension.url" />
      <fixedUri value="researchExemptionStatus" />
    </element>
    <element id="Extension.extension:researchExemptionStatus.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="boolean" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://pseudofrog.com/fhir/StructureDefinition/ExtConsentResearchExemption" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>