STU 3 Candidate

This page is part of the FHIR Specification (v1.4.0: STU 3 Ballot 3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2

Signature.profile.xml

Raw XML (canonical form)

StructureDefinition for Signature

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Signature"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
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          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="The logical name of the element">Name</a>
          </th>
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="Information about the use of the element">Flags</a>
          </th>
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a>
          </th>
          <th class="hierarchy" style="width: 100px">
            <a href="formats.html#table" title="Reference to the type of the element">Type</a>
          </th>
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="Additional information about the element">Description &amp; Constraints</a>
            <span style="float: right">
              <a href="formats.html#table" title="Legend for this format">
                <img alt="doco" src="help16.png" style="background-color: inherit"/>
              </a>
            </span>
          </th>
        </tr>
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            <a href="datatypes-definitions.html#Signature" title="Signature : A digital signature along with supporting context. The signature may be electronic/crypt
            ographic in nature, or a graphical image representing a hand-written signature, or a signature
             process. Different Signature approaches have different utilities.">Signature</a>
            <a name="Signature"> </a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"/>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"/>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="element.html">Element</a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">A digital Signature - XML DigSig, JWT, Graphical image of signature, etc.</td>
        </tr>

        <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;">
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            <a href="datatypes-definitions.html#Signature.type" title="Signature.type : An indication of the reason that the entity signed this document. This
             may be explicitly included as part of the signature information and can be used when determining
             accountability for various actions concerning the document.">type</a>
            <a name="Signature.type"> </a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <span title="This element is included in summaries">Σ</span>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">1..*</td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="datatypes.html#Coding">Coding</a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">Indication of the reason the entity signed the object(s)
            <br/>
            <a href="valueset-signature-type.html" title="An indication of the reason that an entity signed the object">Signature Type Codes</a> (
            <a href="terminologies.html#preferred" title="Instances are encouraged to draw from the specified codes for interoperability purposes
             but are not required to do so to be considered conformant.">Preferred</a>)
          </td>
        </tr>

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            <a href="datatypes-definitions.html#Signature.when" title="Signature.when : When the digital signature was signed.">when</a>
            <a name="Signature.when"> </a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <span title="This element is included in summaries">Σ</span>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">1..1</td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="datatypes.html#instant">instant</a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">When the signature was created</td>
        </tr>

        <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;">
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            <a href="datatypes-definitions.html#Signature.who_x_" title="Signature.who[x] : A reference to an application-usable description of the person that
             signed the certificate (e.g. the signature used their private key).">who[x]</a>
            <a name="Signature.who_x_"> </a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <span title="This element is included in summaries">Σ</span>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">1..1</td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"/>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">Who signed the signature</td>
        </tr>

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            <span title="String of characters used to identify a name or a resource">whoUri</span>
          </td>
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="datatypes.html#uri">uri</a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"/>
        </tr>

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          </td>
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"/>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a>(
            <a href="practitioner.html">Practitioner</a> | 
            <a href="relatedperson.html">RelatedPerson</a> | 
            <a href="patient.html">Patient</a> | 
            <a href="device.html">Device</a> | 
            <a href="organization.html">Organization</a>)
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"/>
        </tr>

        <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px;
           white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCA
          YAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5
          CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/>
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/>
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/> 
            <a href="datatypes-definitions.html#Signature.contentType" title="Signature.contentType : A mime type that indicates the technical format of the signature.
             Important mime types are application/signature+xml for X ML DigSig, application/jwt for
             JWT, and image/* for a graphical image of a signature, etc.">contentType</a>
            <a name="Signature.contentType"> </a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <span title="This element is included in summaries">Σ</span>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">0..1</td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">The technical format of the signature
            <br/>
            <a href="http://www.rfc-editor.org/bcp/bcp13.txt" title="The mime type of an attachment. Any valid mime type is allowed.">MimeType</a> (
            <a href="terminologies.html#required" title="To be conformant, instances of this element SHALL include a code from the specified value
             set.">Required</a>)
          </td>
        </tr>

        <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px;
           white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCA
          YAAACg/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/>
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUO
            L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC" style="background-color: inherit"/>
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/> 
            <a href="datatypes-definitions.html#Signature.blob" title="Signature.blob : The base64 encoding of the Signature content. When signature is not recorded
             electronically this element would be empty.">blob</a>
            <a name="Signature.blob"> </a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"/>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">0..1</td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">
            <a href="datatypes.html#base64Binary">base64Binary</a>
          </td>
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">The actual signature content (XML DigSig. JWT, picture, etc.)</td>
        </tr>

        <tr>
          <td class="hierarchy" colspan="5">
            <br/>
            <a href="formats.html#table" title="Legend for this format">
              <img alt="doco" src="help16.png" style="background-color: inherit"/> Documentation for this format
            </a>
          </td>
        </tr>
      </table>
    </div>
  </text>
  <url value="http://hl7.org/fhir/StructureDefinition/Signature"/>
  <name value="Signature"/>
  <status value="draft"/>
  <publisher value="HL7 FHIR Standard"/>
  <contact>
    <telecom>
      <system value="other"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
  </contact>
  <date value="2016-03-31T08:01:25+11:00"/>
  <description value="Base StructureDefinition for Signature Type"/>
  <requirements value="There are a number of places where content must be signed in healthcare."/>
  <fhirVersion value="1.4.0"/>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM"/>
  </mapping>
  <kind value="datatype"/>
  <abstract value="false"/>
  <baseType value="Element"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Element"/>
  <derivation value="specialization"/>
  <snapshot>
    <element>
      <path value="Signature"/>
      <short value="A digital Signature - XML DigSig, JWT, Graphical image of signature, etc."/>
      <definition value="A digital signature along with supporting context. The signature may be electronic/cryptographic
       in nature, or a graphical image representing a hand-written signature, or a signature
       process. Different Signature approaches have different utilities."/>
      <comments value="The elements of the Signature Resource are for ease of access of these elements. Foro
       digital signatures (Xml DigSig, JWT), the non-repudiation proof comes from the Signature
        validation, which includes validation of the referenced objects (e.g. Resources) (a.k.a.,
       Content) in the XML-Signature Detached form."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Element"/>
      </type>
    </element>
    <element>
      <path value="Signature.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="Signature.extension"/>
      <short value="Additional Content defined by implementations"/>
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="Signature.type"/>
      <short value="Indication of the reason the entity signed the object(s)"/>
      <definition value="An indication of the reason that the entity signed this document. This may be explicitly
       included as part of the signature information and can be used when determining accountability
       for various actions concerning the document."/>
      <comments value="Examples include attesting to: authorship, correct transcription, and witness of specific
       event. Also known as a &amp;quot;Commitment Type Indication&amp;quot;."/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="Coding"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="preferred"/>
        <description value="An indication of the reason that an entity signed the object"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/signature-type"/>
        </valueSetReference>
      </binding>
    </element>
    <element>
      <path value="Signature.when"/>
      <short value="When the signature was created"/>
      <definition value="When the digital signature was signed."/>
      <comments value="This should agree with the information in the signature."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="instant"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="Signature.who[x]"/>
      <short value="Who signed the signature"/>
      <definition value="A reference to an application-usable description of the person that signed the certificate
       (e.g. the signature used their private key)."/>
      <comments value="This should agree with the information in the signature."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Patient"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Device"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Organization"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="Signature.contentType"/>
      <short value="The technical format of the signature"/>
      <definition value="A mime type that indicates the technical format of the signature. Important mime types
       are application/signature+xml for X ML DigSig, application/jwt for JWT, and image/* for
       a graphical image of a signature, etc."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="The mime type of an attachment. Any valid mime type is allowed."/>
        <valueSetUri value="http://www.rfc-editor.org/bcp/bcp13.txt"/>
      </binding>
    </element>
    <element>
      <path value="Signature.blob"/>
      <short value="The actual signature content (XML DigSig. JWT, picture, etc.)"/>
      <definition value="The base64 encoding of the Signature content. When signature is not recorded electronically
       this element would be empty."/>
      <comments value="Where the signature type is an XML DigSig, the signed content is a FHIR Resource(s), the
       signature is of the XML form of the Resource(s) using  XML-Signature (XMLDIG) &quot;Detached
       Signature&quot; form."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="base64Binary"/>
      </type>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="Signature"/>
      <short value="A digital Signature - XML DigSig, JWT, Graphical image of signature, etc."/>
      <definition value="A digital signature along with supporting context. The signature may be electronic/cryptographic
       in nature, or a graphical image representing a hand-written signature, or a signature
       process. Different Signature approaches have different utilities."/>
      <comments value="The elements of the Signature Resource are for ease of access of these elements. Foro
       digital signatures (Xml DigSig, JWT), the non-repudiation proof comes from the Signature
        validation, which includes validation of the referenced objects (e.g. Resources) (a.k.a.,
       Content) in the XML-Signature Detached form."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Element"/>
      </type>
    </element>
    <element>
      <path value="Signature.type"/>
      <short value="Indication of the reason the entity signed the object(s)"/>
      <definition value="An indication of the reason that the entity signed this document. This may be explicitly
       included as part of the signature information and can be used when determining accountability
       for various actions concerning the document."/>
      <comments value="Examples include attesting to: authorship, correct transcription, and witness of specific
       event. Also known as a &amp;quot;Commitment Type Indication&amp;quot;."/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="Coding"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="preferred"/>
        <description value="An indication of the reason that an entity signed the object"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/signature-type"/>
        </valueSetReference>
      </binding>
    </element>
    <element>
      <path value="Signature.when"/>
      <short value="When the signature was created"/>
      <definition value="When the digital signature was signed."/>
      <comments value="This should agree with the information in the signature."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="instant"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="Signature.who[x]"/>
      <short value="Who signed the signature"/>
      <definition value="A reference to an application-usable description of the person that signed the certificate
       (e.g. the signature used their private key)."/>
      <comments value="This should agree with the information in the signature."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Patient"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Device"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Organization"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="Signature.contentType"/>
      <short value="The technical format of the signature"/>
      <definition value="A mime type that indicates the technical format of the signature. Important mime types
       are application/signature+xml for X ML DigSig, application/jwt for JWT, and image/* for
       a graphical image of a signature, etc."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="The mime type of an attachment. Any valid mime type is allowed."/>
        <valueSetUri value="http://www.rfc-editor.org/bcp/bcp13.txt"/>
      </binding>
    </element>
    <element>
      <path value="Signature.blob"/>
      <short value="The actual signature content (XML DigSig. JWT, picture, etc.)"/>
      <definition value="The base64 encoding of the Signature content. When signature is not recorded electronically
       this element would be empty."/>
      <comments value="Where the signature type is an XML DigSig, the signed content is a FHIR Resource(s), the
       signature is of the XML form of the Resource(s) using  XML-Signature (XMLDIG) &quot;Detached
       Signature&quot; form."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="base64Binary"/>
      </type>
    </element>
  </differential>
</StructureDefinition>

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.