<StructureDefinition xmlns="http://hl7.org/fhir">
  <text>
    <status value="extensions" />
    <div xmlns="http://www.w3.org/1999/xhtml">Enter you narrative here</div>
  </text>
  <url value="https://example.org/fhir/StructureDefinition/MyLddiExtension" />
  <name value="MyLddiExtension" />
  <status value="draft" />
  <date value="2023-03-14T08:07:49.6367777+00:00" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Encounter" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="lddi" />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="0" />
    </element>
    <element id="Extension.extension:userscreen">
      <path value="Extension.extension" />
      <sliceName value="userscreen" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:userscreen.url">
      <path value="Extension.extension.url" />
      <fixedUri value="userscreen" />
    </element>
    <element id="Extension.extension:userscreen.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="code" />
      </type>
    </element>
    <element id="Extension.extension:dataitem">
      <path value="Extension.extension" />
      <sliceName value="dataitem" />
      <min value="0" />
    </element>
    <element id="Extension.extension:dataitem.url">
      <path value="Extension.extension.url" />
      <fixedUri value="dataitem" />
    </element>
    <element id="Extension.extension:dataitem.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="code" />
      </type>
    </element>
    <element id="Extension.extension:datavalue">
      <path value="Extension.extension" />
      <sliceName value="datavalue" />
      <min value="0" />
    </element>
    <element id="Extension.extension:datavalue.url">
      <path value="Extension.extension.url" />
      <fixedUri value="datavalue" />
    </element>
    <element id="Extension.extension:datavalue.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="boolean" />
      </type>
      <type>
        <code value="code" />
      </type>
      <type>
        <code value="date" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://example.org/fhir/StructureDefinition/MyLddiExtension" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>