<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="de-Attachment.url" />
  <meta>
    <lastUpdated value="2019-02-10T00:11:08.953+00:00" />
  </meta>
  <url value="http://hl7.org/fhir/StructureDefinition/de-Attachment.url" />
  <version value="4.0.0" />
  <name value="Attachment.url" />
  <title value="Attachment.url" />
  <status value="draft" />
  <experimental value="true" />
  <date value="2019-02-10T00:11:08+00:00" />
  <publisher value="HL7 FHIR Standard" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://hl7.org/fhir" />
    </telecom>
  </contact>
  <description value="Data Element for Attachment.url" />
  <purpose value="Data Elements are defined for each element to assist in questionnaire construction etc" />
  <fhirVersion value="4.0.0" />
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="logical" />
  <abstract value="false" />
  <type value="Attachment.url" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Element" />
  <derivation value="specialization" />
  <snapshot>
    <element id="Attachment.url">
      <path value="Attachment.url" />
      <short value="Uri where the data can be found" />
      <definition value="A location where the data can be accessed." />
      <comment value="If both data and url are provided, the url SHALL point to the same content as the data contains. Urls may be relative references or may reference transient locations such as a wrapping envelope using cid: though this has ramifications for using signatures. Relative URLs are interpreted relative to the service url, like a resource reference, rather than relative to the resource itself. If a URL is provided, it SHALL resolve to actual data." />
      <requirements value="The data needs to be transmitted by reference." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Attachment.url" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="url" />
      </type>
      <example>
        <label value="General" />
        <valueUrl value="http://www.acme.com/logo-small.png" />
      </example>
      <isModifier value="false" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="RP.1+RP.2 - if they refer to a URL (see v2.6)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./reference/literal" />
      </mapping>
    </element>
  </snapshot>
</StructureDefinition>