FHIR Release 3 (STU)

This page is part of the FHIR Specification (v3.0.2: STU 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

Attachment.profile.xml

Modeling and Methodology Work GroupMaturity Level: N/ABallot Status: Informative

Raw XML (canonical form)

StructureDefinition for Attachment

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Attachment"/> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;">
        <tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;">
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           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; border: 0px #F0F0F0 solid;
           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; border: 0px #F0F0F0 solid;
           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; border: 0px #F0F0F0 solid;
           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> 
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <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,R0lGODlhEAAQAMQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw
            /npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///////yH5BAEAAB8ALAAAAAAQABAAAAV24CeOZG
            mepqeqqOgxjBZFa+19r4ftWQUAgqDgltthMshMIJAZ4jYDHsBARSAmFOJvq+g6HIdEFgcYmBWNxoNAsDjGHgBnmV5bCoUDHLBIq9s
            FEhIdcAYJdYASFRUQhQkLCwkOFwcdEBAXhVabE52ecDahKy0oIQA7" style="background-color: white; background-color: inherit" title="Element"/>  
            <a href="datatypes-definitions.html#Attachment" title="Attachment : For referring to data content defined in other formats.">Attachment</a> 
            <a name="Attachment"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element has or is affected by some invariants">I</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           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; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Content in a format defined elsewhere
            <br/>  
            <span style="font-style: italic" title="att-1">+ It the Attachment has data, it SHALL have a contentType</span> 
            <br/>  Elements defined in Ancestors: 
            <a href="element.html#Element" title="unique id for the element within a resource (for internal references). This may be any
             string value that does not contain spaces.">id</a> , 
            <a href="element.html#Element" title="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.">extension</a> 
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <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#Attachment.contentType" title="Attachment.contentType : Identifies the type of the data in the attachment and allows
             a method to be chosen to interpret or render the data. Includes mime type parameters such
             as charset where appropriate.">contentType</a> 
            <a name="Attachment.contentType"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           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; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Mime type of the content, with charset etc.
            <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, the concept in this element SHALL be from the specified value set">Required</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <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#Attachment.language" title="Attachment.language : The human language of the content. The value can be any valid value
             according to BCP 47.">language</a> 
            <a name="Attachment.language"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           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; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Human language of the content (BCP-47)
            <br/>  
            <a href="valueset-languages.html" title="A human language.">Common Languages</a>  (
            <a href="terminologies.html#extensible" title="To be conformant, the concept in this element SHALL be from the specified value set if
             any of the codes within the value set can apply to the concept being communicated.  If
             the value set does not cover the concept (based on human review), alternate codings (or,
             data type allowing, text) may be included instead.">Extensible</a>  but limited to 
            <a href="valueset-all-languages.html">All Languages</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <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#Attachment.data" title="Attachment.data : The actual data of the attachment - a sequence of bytes. In XML, represented
             using base64.">data</a> 
            <a name="Attachment.data"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           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; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Data inline, base64ed</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <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#Attachment.url" title="Attachment.url : An alternative location where the data can be accessed.">url</a> 
            <a name="Attachment.url"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           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; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Uri where the data can be found</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <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#Attachment.size" title="Attachment.size : The number of bytes of data that make up this attachment (before base64
             encoding, if that is done).">size</a> 
            <a name="Attachment.size"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#unsignedInt">unsignedInt</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Number of bytes of content (if url provided)</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <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#Attachment.hash" title="Attachment.hash : The calculated hash of the data using SHA-1. Represented using base64.">hash</a> 
            <a name="Attachment.hash"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           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; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Hash of the data (sha-1, base64ed)</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <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#Attachment.title" title="Attachment.title : A label or set of text to display in place of the data.">title</a> 
            <a name="Attachment.title"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Label to display in place of the data</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAA
          AASUVORK5CYII=)">
            <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#Attachment.creation" title="Attachment.creation : The date that the attachment was first created.">creation</a> 
            <a name="Attachment.creation"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <span style="padding: 3px" title="This element is included in summaries">Σ</span> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#dateTime">dateTime</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Date attachment was first created</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/Attachment"/> 
  <name value="Attachment"/> 
  <status value="draft"/> 
  <date value="2019-10-24T11:53:00+11:00"/> 
  <publisher value="HL7 FHIR Standard"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
  </contact> 
  <description value="Base StructureDefinition for Attachment Type"/> 
  <purpose value="Many models need to include data defined in other specifications that is complex and opaque
   to the healthcare model. This includes documents, media recordings, structured data, etc."/> 
  <fhirVersion value="3.0.2"/> 
  <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="complex-type"/> 
  <abstract value="false"/> 
  <type value="Attachment"/> 
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Element"/> 
  <derivation value="specialization"/> 
  <snapshot> 
    <element id="Attachment">
      <path value="Attachment"/> 
      <short value="Content in a format defined elsewhere"/> 
      <definition value="For referring to data content defined in other formats."/> 
      <comment value="When providing a summary view (for example with Observation.value[x]) Attachment should
       be represented with a brief display text such as &quot;Attachment&quot;."/> 
      <min value="0"/> 
      <max value="*"/> 
      <condition value="ele-1"/> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() | (children().count() &gt; id.count())"/> 
        <xpath value="@value|f:*|h:div"/> 
        <source value="Element"/> 
      </constraint> 
      <constraint> 
        <key value="att-1"/> 
        <severity value="error"/> 
        <human value="It the Attachment has data, it SHALL have a contentType"/> 
        <expression value="data.empty() or contentType.exists()"/> 
        <xpath value="not(exists(f:data)) or exists(f:contentType)"/> 
      </constraint> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="ED/RP"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="ED"/> 
      </mapping> 
    </element> 
    <element id="Attachment.id">
      <path value="Attachment.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). This may be any
       string value that does not contain spaces."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Attachment.extension">
      <path value="Attachment.extension"/> 
      <slicing> 
        <discriminator> 
          <type value="value"/> 
          <path value="url"/> 
        </discriminator> 
        <description value="Extensions are always sliced by (at least) url"/> 
        <rules value="open"/> 
      </slicing> 
      <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."/> 
      <comment 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 id="Attachment.contentType">
      <path value="Attachment.contentType"/> 
      <short value="Mime type of the content, with charset etc."/> 
      <definition value="Identifies the type of the data in the attachment and allows a method to be chosen to
       interpret or render the data. Includes mime type parameters such as charset where appropriate."/> 
      <requirements value="Processors of the data need to be able to know how to interpret the data."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <example> 
        <label value="General"/> 
        <valueCode value="text/plain; charset=UTF-8, image/png"/> 
      </example> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="MimeType"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <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> 
      <mapping> 
        <identity value="v2"/> 
        <map value="ED.2+ED.3/RP.2+RP.3. Note conversion may be needed if old style values are being used"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./mediaType, ./charset"/> 
      </mapping> 
    </element> 
    <element id="Attachment.language">
      <path value="Attachment.language"/> 
      <short value="Human language of the content (BCP-47)"/> 
      <definition value="The human language of the content. The value can be any valid value according to BCP 47."/> 
      <requirements value="Users need to be able to choose between the languages in a set of attachments."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <example> 
        <label value="General"/> 
        <valueCode value="en-AU"/> 
      </example> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueReference> 
            <reference value="http://hl7.org/fhir/ValueSet/all-languages"/> 
          </valueReference> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <strength value="extensible"/> 
        <description value="A human language."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/languages"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./language"/> 
      </mapping> 
    </element> 
    <element id="Attachment.data">
      <path value="Attachment.data"/> 
      <short value="Data inline, base64ed"/> 
      <definition value="The actual data of the attachment - a sequence of bytes. In XML, represented using base64."/> 
      <comment value="The base64-encoded data SHALL be expressed in the same character set as the base resource
       XML or JSON."/> 
      <requirements value="The data needs to able to be transmitted inline."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="base64Binary"/> 
      </type> 
      <mapping> 
        <identity value="v2"/> 
        <map value="ED.5"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./data"/> 
      </mapping> 
    </element> 
    <element id="Attachment.url">
      <path value="Attachment.url"/> 
      <short value="Uri where the data can be found"/> 
      <definition value="An alternative 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"/> 
      <type> 
        <code value="uri"/> 
      </type> 
      <example> 
        <label value="General"/> 
        <valueUri value="http://www.acme.com/logo-small.png"/> 
      </example> 
      <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> 
    <element id="Attachment.size">
      <path value="Attachment.size"/> 
      <short value="Number of bytes of content (if url provided)"/> 
      <definition value="The number of bytes of data that make up this attachment (before base64 encoding, if that
       is done)."/> 
      <comment value="The number of bytes is redundant if the data is provided as a base64binary, but is useful
       if the data is provided as a url reference."/> 
      <requirements value="Representing the size allows applications to determine whether they should fetch the content
       automatically in advance, or refuse to fetch it at all."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="unsignedInt"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A (needs data type R3 proposal)"/> 
      </mapping> 
    </element> 
    <element id="Attachment.hash">
      <path value="Attachment.hash"/> 
      <short value="Hash of the data (sha-1, base64ed)"/> 
      <definition value="The calculated hash of the data using SHA-1. Represented using base64."/> 
      <comment value="The hash is calculated on the data prior to base64 encoding, if the data is based64 encoded."/> 
      <requirements value="Included so that applications can verify that the contents of a location have not changed
       and so that a signature of the content can implicitly sign the content of an image without
       having to include the data in the instance or reference the url in the signature."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="base64Binary"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".integrityCheck[parent::ED/integrityCheckAlgorithm=&quot;SHA-1&quot;]"/> 
      </mapping> 
    </element> 
    <element id="Attachment.title">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true"/> 
      </extension> 
      <path value="Attachment.title"/> 
      <short value="Label to display in place of the data"/> 
      <definition value="A label or set of text to display in place of the data."/> 
      <requirements value="Applications need a label to display to a human user in place of the actual data if the
       data cannot be rendered or perceived by the viewer."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <example> 
        <label value="General"/> 
        <valueString value="Official Corporate Logo"/> 
      </example> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./title/data"/> 
      </mapping> 
    </element> 
    <element id="Attachment.creation">
      <path value="Attachment.creation"/> 
      <short value="Date attachment was first created"/> 
      <definition value="The date that the attachment was first created."/> 
      <requirements value="This is often tracked as an integrity issue for use of the attachment."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A (needs data type R3 proposal)"/> 
      </mapping> 
    </element> 
  </snapshot> 
  <differential> 
    <element id="Attachment">
      <path value="Attachment"/> 
      <short value="Content in a format defined elsewhere"/> 
      <definition value="For referring to data content defined in other formats."/> 
      <comment value="When providing a summary view (for example with Observation.value[x]) Attachment should
       be represented with a brief display text such as &quot;Attachment&quot;."/> 
      <min value="0"/> 
      <max value="*"/> 
      <constraint> 
        <key value="att-1"/> 
        <severity value="error"/> 
        <human value="It the Attachment has data, it SHALL have a contentType"/> 
        <expression value="data.empty() or contentType.exists()"/> 
        <xpath value="not(exists(f:data)) or exists(f:contentType)"/> 
      </constraint> 
      <mapping> 
        <identity value="v2"/> 
        <map value="ED/RP"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="ED"/> 
      </mapping> 
    </element> 
    <element id="Attachment.contentType">
      <path value="Attachment.contentType"/> 
      <short value="Mime type of the content, with charset etc."/> 
      <definition value="Identifies the type of the data in the attachment and allows a method to be chosen to
       interpret or render the data. Includes mime type parameters such as charset where appropriate."/> 
      <requirements value="Processors of the data need to be able to know how to interpret the data."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <example> 
        <label value="General"/> 
        <valueCode value="text/plain; charset=UTF-8, image/png"/> 
      </example> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="MimeType"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <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> 
      <mapping> 
        <identity value="v2"/> 
        <map value="ED.2+ED.3/RP.2+RP.3. Note conversion may be needed if old style values are being used"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./mediaType, ./charset"/> 
      </mapping> 
    </element> 
    <element id="Attachment.language">
      <path value="Attachment.language"/> 
      <short value="Human language of the content (BCP-47)"/> 
      <definition value="The human language of the content. The value can be any valid value according to BCP 47."/> 
      <requirements value="Users need to be able to choose between the languages in a set of attachments."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <example> 
        <label value="General"/> 
        <valueCode value="en-AU"/> 
      </example> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueReference> 
            <reference value="http://hl7.org/fhir/ValueSet/all-languages"/> 
          </valueReference> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <strength value="extensible"/> 
        <description value="A human language."/> 
        <valueSetReference> 
          <reference value="http://hl7.org/fhir/ValueSet/languages"/> 
        </valueSetReference> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./language"/> 
      </mapping> 
    </element> 
    <element id="Attachment.data">
      <path value="Attachment.data"/> 
      <short value="Data inline, base64ed"/> 
      <definition value="The actual data of the attachment - a sequence of bytes. In XML, represented using base64."/> 
      <comment value="The base64-encoded data SHALL be expressed in the same character set as the base resource
       XML or JSON."/> 
      <requirements value="The data needs to able to be transmitted inline."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="base64Binary"/> 
      </type> 
      <mapping> 
        <identity value="v2"/> 
        <map value="ED.5"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./data"/> 
      </mapping> 
    </element> 
    <element id="Attachment.url">
      <path value="Attachment.url"/> 
      <short value="Uri where the data can be found"/> 
      <definition value="An alternative 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"/> 
      <type> 
        <code value="uri"/> 
      </type> 
      <example> 
        <label value="General"/> 
        <valueUri value="http://www.acme.com/logo-small.png"/> 
      </example> 
      <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> 
    <element id="Attachment.size">
      <path value="Attachment.size"/> 
      <short value="Number of bytes of content (if url provided)"/> 
      <definition value="The number of bytes of data that make up this attachment (before base64 encoding, if that
       is done)."/> 
      <comment value="The number of bytes is redundant if the data is provided as a base64binary, but is useful
       if the data is provided as a url reference."/> 
      <requirements value="Representing the size allows applications to determine whether they should fetch the content
       automatically in advance, or refuse to fetch it at all."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="unsignedInt"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A (needs data type R3 proposal)"/> 
      </mapping> 
    </element> 
    <element id="Attachment.hash">
      <path value="Attachment.hash"/> 
      <short value="Hash of the data (sha-1, base64ed)"/> 
      <definition value="The calculated hash of the data using SHA-1. Represented using base64."/> 
      <comment value="The hash is calculated on the data prior to base64 encoding, if the data is based64 encoded."/> 
      <requirements value="Included so that applications can verify that the contents of a location have not changed
       and so that a signature of the content can implicitly sign the content of an image without
       having to include the data in the instance or reference the url in the signature."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="base64Binary"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".integrityCheck[parent::ED/integrityCheckAlgorithm=&quot;SHA-1&quot;]"/> 
      </mapping> 
    </element> 
    <element id="Attachment.title">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true"/> 
      </extension> 
      <path value="Attachment.title"/> 
      <short value="Label to display in place of the data"/> 
      <definition value="A label or set of text to display in place of the data."/> 
      <requirements value="Applications need a label to display to a human user in place of the actual data if the
       data cannot be rendered or perceived by the viewer."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <example> 
        <label value="General"/> 
        <valueString value="Official Corporate Logo"/> 
      </example> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./title/data"/> 
      </mapping> 
    </element> 
    <element id="Attachment.creation">
      <path value="Attachment.creation"/> 
      <short value="Date attachment was first created"/> 
      <definition value="The date that the attachment was first created."/> 
      <requirements value="This is often tracked as an integrity issue for use of the attachment."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A (needs data type R3 proposal)"/> 
      </mapping> 
    </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.