<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="patient-slicing" />
  <url value="http://example.org/fhir/StructureDefinition/patient-slicing" />
  <name value="Patientslicing" />
  <title value="Patient (slicing)" />
  <status value="draft" />
  <experimental value="true" />
  <description value="This profile illustrates the use of slicing within a given FHIR resource, as seen with the patient profile here." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Patient" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Patient" />
  <derivation value="constraint" />
  <differential>
    <element id="Patient.identifier:JHN.id">
      <path value="Patient.identifier.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Element.id" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <isModifier value="false" />
      <isSummary value="false" />
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Patient.identifier:JHN.extension">
      <path value="Patient.identifier.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
      </slicing>
    </element>
  </differential>
</StructureDefinition>