Extension-questionnaire-maxlength.xml

No more than this many characters

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="questionnaire-maxLength"/>
  <url value="http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength"/>
  <name value="No more than this many characters"/>
  <status value="draft"/>
  <publisher value="HL7"/>
  <contact>
    <telecom>
      <system value="other"/>
      <value value="http://www.hl7.org"/>
    </telecom>
  </contact>
  <date value="2013-07-04"/>
  <description value="The maximum number of characters that must be present in the simple data type to be considered
   a &quot;valid&quot; instance."/>
  <fhirVersion value="1.2.0"/>
  <mapping>
    <identity value="v2"/>
    <uri value="http://hl7.org/v2"/>
    <name value="HL7 v2"/>
  </mapping>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM"/>
  </mapping>
  <kind value="datatype"/>
  <constrainedType value="Extension"/>
  <abstract value="false"/>
  <contextType value="resource"/>
  <context value="Questionnaire.item"/>
  <context value="Questionnaire.item.item"/>
  <base value="http://hl7.org/fhir/StructureDefinition/Extension"/>
  <snapshot>
    <element>
      <path value="Extension"/>
      <short value="No more than this many characters"/>
      <definition value="The maximum number of characters that must be present in the simple data type to be considered
       a &quot;valid&quot; instance."/>
      <comments value="For base64binary, reflects the number of characters representing the encoded data, not
       the number of bytes of the binary data."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="$parent.type in ('boolean' | 'decimal' | 'integer' | 'string' | 'text' | 'url')"/>
        </extension>
        <key value="inv-12"/>
        <severity value="error"/>
        <human value="Maximum length can only be declared for simple question types"/>
        <xpath value="parent::*/f:type/@value=('boolean', 'decimal', 'integer', 'open-choice', 'string', 'text',
         'url')"/>
      </constraint>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF-level)"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.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="Extension.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.extension"/>
      <name value="extension"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Extension.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
    </element>
    <element>
      <path value="Extension.url"/>
      <representation value="xmlAttr"/>
      <short value="identifies the meaning of the extension"/>
      <definition value="Source of the definition for the extension code - a logical name or a URL."/>
      <comments value="The definition may point directly to a computable or human-readable definition of the
       extensibility codes, or it may be a logical URI as declared in some other specification.
       The definition should be version specific.  This will ideally be the URI for the Resource
       Profile defining the extension, with the code for the extension after a #."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.url"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.valueInteger"/>
      <short value="Value of extension"/>
      <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see
       Extensibility in the spec for list)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.value[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="Extension"/>
      <short value="No more than this many characters"/>
      <definition value="The maximum number of characters that must be present in the simple data type to be considered
       a &quot;valid&quot; instance."/>
      <comments value="For base64binary, reflects the number of characters representing the encoded data, not
       the number of bytes of the binary data."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-expression">
          <valueString value="$parent.type in ('boolean' | 'decimal' | 'integer' | 'string' | 'text' | 'url')"/>
        </extension>
        <key value="inv-12"/>
        <severity value="error"/>
        <human value="Maximum length can only be declared for simple question types"/>
        <xpath value="parent::*/f:type/@value=('boolean', 'decimal', 'integer', 'open-choice', 'string', 'text',
         'url')"/>
      </constraint>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF-level)"/>
      </mapping>
    </element>
    <element>
      <path value="Extension.extension"/>
      <name value="extension"/>
      <max value="0"/>
    </element>
    <element>
      <path value="Extension.url"/>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength"/>
    </element>
    <element>
      <path value="Extension.value[x]"/>
      <min value="1"/>
      <type>
        <code value="integer"/>
      </type>
    </element>
  </differential>
</StructureDefinition>