<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://medico-emr.net/medico/r4/sd/Reference_Base_1" />
  <name value="Reference_Base_1" />
  <status value="draft" />
  <description value="A generic reference type" />
  <fhirVersion value="4.0.0" />
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Reference" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Reference" />
  <derivation value="constraint" />
  <differential>
    <element id="Reference.id">
      <path value="Reference.id" />
      <max value="0" />
    </element>
    <element id="Reference.reference">
      <path value="Reference.reference" />
      <min value="1" />
    </element>
    <element id="Reference.type">
      <path value="Reference.type" />
      <min value="1" />
    </element>
    <element id="Reference.identifier">
      <path value="Reference.identifier" />
      <definition value="A so called medico resource id is used here - see https://simplifier.net/guide/medicoIG2/ididentifierandurl" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Identifier" />
        <profile value="https://medico-emr.net/medico/r4/sd/Identifier_medicoResourceId_1" />
      </type>
    </element>
    <element id="Reference.identifier.system">
      <path value="Reference.identifier.system" />
      <comment value="Dynamically resolved for validation&#xD;&#xA;--FixedValue=https://medico-emr.net/medico/%KUNDE%/sid1/***TBD***" />
    </element>
    <element id="Reference.display">
      <path value="Reference.display" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>