<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="el-flag-alert" />
  <url value="http://fhir.essilorluxottica.com/fhir/StructureDefinition/el-flag-alert" />
  <version value="1.0.0" />
  <name value="ELFlagAlert" />
  <title value="EL Alert Flag" />
  <status value="draft" />
  <description value="The profile for the alert flags" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Flag" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Flag" />
  <derivation value="constraint" />
  <differential>
    <element id="Flag.meta.tag">
      <path value="Flag.meta.tag" />
      <binding>
        <strength value="required" />
        <valueSet value="http://fhir.essilorluxottica.com/fhir/ValueSet/el-metatag-vs" />
      </binding>
    </element>
    <element id="Flag.extension">
      <path value="Flag.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Flag.extension:el-flag-alert-extension">
      <path value="Flag.extension" />
      <sliceName value="el-flag-alert-extension" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://fhir.essilorluxottica.com/fhir/StructureDefinition/el-flag-alert-extension" />
      </type>
    </element>
    <element id="Flag.subject">
      <path value="Flag.subject" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://fhir.essilorluxottica.com/fhir/StructureDefinition/el-patient" />
      </type>
    </element>
    <element id="Flag.author">
      <path value="Flag.author" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://fhir.essilorluxottica.com/fhir/StructureDefinition/el-practitioner" />
      </type>
    </element>
  </differential>
</StructureDefinition>