<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="WaterFilterReplaced" />
  <url value="http://example.org/fhir/StructureDefinition/WaterFilterReplaced" />
  <version value="1.0.0" />
  <name value="WaterFilterReplaced" />
  <status value="draft" />
  <fhirVersion value="5.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Bundle" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Bundle" />
  <derivation value="constraint" />
  <differential>
    <element id="Bundle.type">
      <path value="Bundle.type" />
      <min value="1" />
      <fixedCode value="collection" />
    </element>
    <element id="Bundle.identifier.type.text">
      <path value="Bundle.identifier.type.text" />
      <min value="1" />
      <patternString value="Water Filter Replaced" />
    </element>
    <element id="Bundle.entry.resource">
      <path value="Bundle.entry.resource" />
      <type>
        <code value="Procedure" />
      </type>
      <type>
        <code value="Device" />
      </type>
      <type>
        <code value="Practitioner" />
      </type>
    </element>
    <element id="Bundle.entry.resource.Procedure.status">
      <path value="Bundle.entry.resource.Procedure.status" />
      <min value="1" />
      <patternCode value="completed" />
    </element>
    <element id="Bundle.entry.resource.Procedure.occurrenceDateTime">
      <path value="Bundle.entry.resource.Procedure.occurrenceDateTime" />
      <min value="1" />
      <type>
        <code value="dateTime" />
      </type>
    </element>
    <element id="Bundle.entry.resource.Device.manufacturer">
      <path value="Bundle.entry.resource.Device.manufacturer" />
      <min value="1" />
    </element>
    <element id="Bundle.entry.resource.Device.name.value">
      <path value="Bundle.entry.resource.Device.name.value" />
      <min value="1" />
    </element>
    <element id="Bundle.entry.resource.Device.expirationDate">
      <path value="Bundle.entry.resource.Device.expirationDate" />
      <min value="0" />
      <type>
        <code value="date" />
      </type>
    </element>
    <element id="Bundle.entry.resource.Practitioner.identifier.value">
      <path value="Bundle.entry.resource.Practitioner.identifier.value" />
      <min value="1" />
      <patternString value="Operator_ID" />
    </element>
  </differential>
</StructureDefinition>