<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="elementdefinition-selector" />
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1" />
  </extension>
  <url value="http://hl7.org/fhir/StructureDefinition/elementdefinition-selector" />
  <name value="selector" />
  <status value="draft" />
  <date value="2015-02-28" />
  <publisher value="Health Level Seven, Inc. - FHIR Core WG" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://hl7.org/special/committees/FHIR" />
    </telecom>
  </contact>
  <description value="A FHIRPath statement that defines whether an element is in the slice." />
  <fhirVersion value="3.0.1" />
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <contextType value="datatype" />
  <context value="ElementDefinition" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="FHIRPath that defines the selection criteria for a slice" />
      <definition value="A FHIRPath statement that defines whether an element is in the slice." />
      <comment value="This extension can only appear on element definitions that are part of a set of slices, and not on the slicing definition itself. If the selector appears in the presence of nominated slices discriminators, then the slicing defined by the discriminator(s) and the selector on each slice must agree. In the absence of any nominated discriminators, then an element is allowed to be in multiple slices." />
      <min value="0" />
      <max value="1" />
      <mapping>
        <identity value="rim" />
        <map value="N/A (MIF territory)" />
      </mapping>
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/elementdefinition-selector" />
    </element>
    <element id="Extension.valueString">
      <path value="Extension.valueString" />
      <type>
        <code value="string" />
      </type>
    </element>
  </differential>
</StructureDefinition>