<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="patient-bindingStrength" />
  <url value="http://example.org/fhir/StructureDefinition/patient-bindingStrength" />
  <name value="PatientbindingStrength" />
  <title value="Patient (bindingStrength)" />
  <status value="draft" />
  <experimental value="true" />
  <description value="This profile illustrates binding strenghts 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.name.use">
      <path value="Patient.name.use" />
      <short value="usual | official | temp | nickname | anonymous | old | maiden" />
      <definition value="Identifies the purpose for this name." />
      <comment value="Applications can assume that a name is current unless it explicitly says that it is temporary or old." />
      <requirements value="Allows the appropriate name for a particular context of use to be selected from among a set of names." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="HumanName.use" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <constraint>
        <key value="ele-1" />
        <severity value="error" />
        <human value="All FHIR elements must have a @value or children" />
        <expression value="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <isModifier value="true" />
      <isModifierReason value="This is labeled as &quot;Is Modifier&quot; because applications should not mistake a temporary or old name etc.for a current/permanent one" />
      <isSummary value="true" />
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="NameUse" />
        </extension>
        <strength value="required" />
        <description value="The use of a human name." />
        <valueSet value="http://hl7.org/fhir/ValueSet/name-use|4.0.1" />
      </binding>
      <mapping>
        <identity value="v2" />
        <map value="XPN.7, but often indicated by which field contains the name" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./use)" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./NamePurpose" />
      </mapping>
    </element>
  </differential>
</StructureDefinition>