<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="2cad77a9-fe71-4e56-8fe4-9e2b14405e27" />
  <meta>
    <lastUpdated value="2021-09-09T01:52:36.947+00:00" />
  </meta>
  <url value="https://example.org/fhir/StructureDefinition/Log1" />
  <name value="Log1" />
  <title value="Title" />
  <status value="draft" />
  <date value="2021-09-09T01:52:15.3087115+00:00" />
  <description value="Description" />
  <purpose value="Purpose" />
  <fhirVersion value="4.0.1" />
  <kind value="logical" />
  <abstract value="false" />
  <type value="https://example.org/fhir/StructureDefinition/Pet" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Element" />
  <derivation value="specialization" />
  <differential>
    <element id="Pet">
      <path value="Pet" />
      <short value="Companion animal" />
      <definition value="An animal kept and owned by a person as a companion." />
      <comment value="Comment" />
      <alias value="Companion animal" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Element" />
      </type>
    </element>
    <element id="Pet.dateOfBirth">
      <path value="Pet.dateOfBirth" />
      <label value="Date of Birth" />
      <short value="Date on which pet was born" />
      <definition value="The date on which the pet was born." />
      <comment value="Comment on use of the element:&#xD;&#xA;* comment 1&#xD;&#xA;* comment 2" />
      <requirements value="This is *useful* for **distinguishing** the pet from other pets with the same name and for determining age which affects likely health problems and treatments." />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="date" />
      </type>
    </element>
    <element id="Pet.name">
      <path value="Pet.name" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="string" />
        <profile value="http://hl7.org/fhir/StructureDefinition/string" />
      </type>
    </element>
  </differential>
</StructureDefinition>