Structured Data Capture
4.0.0-ballot - STU 4 ballot International flag

This page is part of the Structured Data Capture FHIR IG (v4.0.0-ballot: STU 4 Ballot 1) based on FHIR (HL7® FHIR® Standard) R4. The current version which supersedes this version is 3.0.0. For a full list of available versions, see the Directory of published versions

Extension: CandidateExpressionExtension - TTL Profile

Page standards status: Trial-use Maturity Level: 4

TTL representation of the sdc-questionnaire-candidateExpression extension.

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

 a fhir:StructureDefinition ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:id [ fhir:v "sdc-questionnaire-candidateExpression"] ; # 
  fhir:text [
fhir:status [ fhir:v "extensions" ] ;
fhir:div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition sdc-questionnaire-candidateExpression</b></p><a name=\"sdc-questionnaire-candidateExpression\"> </a><a name=\"hcsdc-questionnaire-candidateExpression\"> </a><a name=\"sdc-questionnaire-candidateExpression-en-US\"> </a><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 style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"The logical name of the element\">Name</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Information about the use of the element\">Flags</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the element can appear in the instance\">Card.</a></th><th style=\"width: 100px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Reference to the type of the element\">Type</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description &amp; Constraints</a><span style=\"float: right\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td 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(tbl_bck1.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-sdc-questionnaire-candidateExpression-definitions.html#Extension\" title=\"A FHIRPath or CQL expression, or FHIR Query that resolves to a list of candidate answers for the question item or that establishes context for a group item.  The user may select from among the candidates to choose answers for the question.\">Extension</a><a name=\"Extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span>..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/extensibility.html#Extension\">Extension</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Expression for possible answers</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_extension_simple.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Simple Extension\" class=\"hierarchy\"/> <span style=\"text-decoration:line-through\">extension</span><a name=\"Extension.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"text-decoration:line-through\"/><span style=\"text-decoration:line-through\">0</span><span style=\"text-decoration:line-through\">..</span><span style=\"text-decoration:line-through\">0</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td 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(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-sdc-questionnaire-candidateExpression-definitions.html#Extension.url\">url</a><a name=\"Extension.url\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"color: darkgreen\">&quot;http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression&quot;</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_datatype.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-sdc-questionnaire-candidateExpression-definitions.html#Extension.value[x]\">value[x]</a><a name=\"Extension.value_x_\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Expression\">Expression</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
  ] ; # 
  fhir:extension ( [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"^^xsd:anyURI ] ;
fhir:value [ fhir:v "fhir" ]
  ] [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"^^xsd:anyURI ] ;
fhir:value [
fhir:v "4"^^xsd:integer ;
      ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom"^^xsd:anyURI ] ;
fhir:value [
fhir:v "http://hl7.org/fhir/uv/sdc/ImplementationGuide/hl7.fhir.uv.sdc"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/uv/sdc/ImplementationGuide/hl7.fhir.uv.sdc>         ]       ] )     ]
  ] [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ] ;
fhir:value [
fhir:v "trial-use" ;
      ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom"^^xsd:anyURI ] ;
fhir:value [
fhir:v "http://hl7.org/fhir/uv/sdc/ImplementationGuide/hl7.fhir.uv.sdc"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/uv/sdc/ImplementationGuide/hl7.fhir.uv.sdc>         ]       ] )     ]
  ] ) ; # 
  fhir:url [ fhir:v "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"^^xsd:anyURI] ; # 
  fhir:identifier ( [
fhir:system [ fhir:v "urn:ietf:rfc:3986"^^xsd:anyURI ] ;
fhir:value [ fhir:v "urn:oid:2.16.840.1.113883.4.642.40.17.42.18" ]
  ] ) ; # 
  fhir:version [ fhir:v "4.0.0-ballot"] ; # 
  fhir:name [ fhir:v "CandidateExpressionExtension"] ; # 
  fhir:title [ fhir:v "Candidate Answers Expression"] ; # 
  fhir:status [ fhir:v "active"] ; # 
  fhir:date [ fhir:v "2024-12-17T01:55:34+00:00"^^xsd:dateTime] ; # 
  fhir:publisher [ fhir:v "HL7 International / FHIR Infrastructure"] ; # 
  fhir:contact ( [
fhir:name [ fhir:v "HL7 International / FHIR Infrastructure" ] ;
    ( fhir:telecom [
fhir:system [ fhir:v "url" ] ;
fhir:value [ fhir:v "http://www.hl7.org/Special/committees/fiwg" ]     ] )
  ] [
    ( fhir:telecom [
fhir:system [ fhir:v "url" ] ;
fhir:value [ fhir:v "http://www.hl7.org/Special/committees/fiwg" ]     ] )
  ] ) ; # 
  fhir:description [ fhir:v "A FHIRPath or CQL expression, or FHIR Query that resolves to a list of candidate answers for the question item or that establishes context for a group item.  The user may select from among the candidates to choose answers for the question."] ; # 
  fhir:jurisdiction ( [
    ( fhir:coding [
fhir:system [ fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm"^^xsd:anyURI ] ;
fhir:code [ fhir:v "001" ] ;
fhir:display [ fhir:v "World" ]     ] )
  ] ) ; # 
  fhir:fhirVersion [ fhir:v "4.0.1"] ; # 
  fhir:mapping ( [
fhir:identity [ fhir:v "rim" ] ;
fhir:uri [ fhir:v "http://hl7.org/v3"^^xsd:anyURI ] ;
fhir:name [ fhir:v "RIM Mapping" ]
  ] ) ; # 
  fhir:kind [ fhir:v "complex-type"] ; # 
  fhir:abstract [ fhir:v "false"^^xsd:boolean] ; # 
  fhir:context ( [
fhir:type [ fhir:v "element" ] ;
fhir:expression [ fhir:v "Questionnaire.item" ]
  ] [
fhir:type [ fhir:v "element" ] ;
fhir:expression [ fhir:v "ElementDefinition" ]
  ] ) ; # 
  fhir:type [ fhir:v "Extension"^^xsd:anyURI] ; # 
  fhir:baseDefinition [
fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>
  ] ; # 
  fhir:derivation [ fhir:v "constraint"] ; # 
  fhir:snapshot [
    ( fhir:element [
fhir:id [ fhir:v "Extension" ] ;
fhir:path [ fhir:v "Extension" ] ;
fhir:short [ fhir:v "Expression for possible answers" ] ;
fhir:definition [ fhir:v "A FHIRPath or CQL expression, or FHIR Query that resolves to a list of candidate answers for the question item or that establishes context for a group item.  The user may select from among the candidates to choose answers for the question." ] ;
fhir:comment [ fhir:v "The results of the expression must correspond to the item type of the question the element appears on or must correspond to a resource, backbone element or complex data type for a group item.  Resources are considered a match for the Reference item type.  Quantity can be a match for decimal and integer items so long as a questionnaire-unit extension is present.  If the expression returns coded data, it **SHALL* return the information as either code or Coding, not CodeableConcept.  If the expression returns elements of type 'code', when the user selects one or more candidates, the code will be matched against the allowed Codings (from answerValueSet, answerOptions, or answerExpresssion).  In this case, it is an error if there is more than one Coding with the same code." ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ] ;
fhir:base [
fhir:path [ fhir:v "Extension" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "*" ]       ] ;
      ( fhir:condition [ fhir:v "ele-1" ] ) ;
      ( fhir:constraint [
fhir:key [ fhir:v "ele-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "All FHIR elements must have a @value or children" ] ;
fhir:expression [ fhir:v "hasValue() or (children().count() > id.count())" ] ;
fhir:xpath [ fhir:v "@value|f:*|h:div" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Element"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ] [
fhir:key [ fhir:v "ext-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "Must have either extensions or value[x], not both" ] ;
fhir:expression [ fhir:v "extension.exists() != value.exists()" ] ;
fhir:xpath [ fhir:v "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ] ) ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ]     ] [
fhir:id [ fhir:v "Extension.id" ] ;
fhir:path [ fhir:v "Extension.id" ] ;
      ( fhir:representation [ fhir:v "xmlAttr" ] ) ;
fhir:short [ fhir:v "Unique id for inter-element referencing" ] ;
fhir:definition [ fhir:v "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ] ;
fhir:base [
fhir:path [ fhir:v "Element.id" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ]       ] ;
      ( fhir:type [
        ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"^^xsd:anyURI ] ;
fhir:value [ fhir:v "string"^^xsd:anyURI ]         ] ) ;
fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String"^^xsd:anyURI ]       ] ) ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ] ;
fhir:isSummary [ fhir:v "false"^^xsd:boolean ] ;
      ( fhir:mapping [
fhir:identity [ fhir:v "rim" ] ;
fhir:map [ fhir:v "n/a" ]       ] )     ] [
fhir:id [ fhir:v "Extension.extension" ] ;
fhir:path [ fhir:v "Extension.extension" ] ;
fhir:slicing [
        ( fhir:discriminator [
fhir:type [ fhir:v "value" ] ;
fhir:path [ fhir:v "url" ]         ] ) ;
fhir:description [ fhir:v "Extensions are always sliced by (at least) url" ] ;
fhir:rules [ fhir:v "open" ]       ] ;
fhir:short [ fhir:v "Extension" ] ;
fhir:definition [ fhir:v "An Extension" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "0" ] ;
fhir:base [
fhir:path [ fhir:v "Element.extension" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "*" ]       ] ;
      ( fhir:type [
fhir:code [ fhir:v "Extension"^^xsd:anyURI ]       ] ) ;
      ( fhir:constraint [
fhir:key [ fhir:v "ele-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "All FHIR elements must have a @value or children" ] ;
fhir:expression [ fhir:v "hasValue() or (children().count() > id.count())" ] ;
fhir:xpath [ fhir:v "@value|f:*|h:div" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Element"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ] [
fhir:key [ fhir:v "ext-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "Must have either extensions or value[x], not both" ] ;
fhir:expression [ fhir:v "extension.exists() != value.exists()" ] ;
fhir:xpath [ fhir:v "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ] ) ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ] ;
fhir:isSummary [ fhir:v "false"^^xsd:boolean ]     ] [
fhir:id [ fhir:v "Extension.url" ] ;
fhir:path [ fhir:v "Extension.url" ] ;
      ( fhir:representation [ fhir:v "xmlAttr" ] ) ;
fhir:short [ fhir:v "identifies the meaning of the extension" ] ;
fhir:definition [ fhir:v "Source of the definition for the extension code - a logical name or a URL." ] ;
fhir:comment [ fhir:v "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 SHALL be a URI for the Structure Definition defining the extension." ] ;
fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ] ;
fhir:base [
fhir:path [ fhir:v "Extension.url" ] ;
fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ]       ] ;
      ( fhir:type [
        ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"^^xsd:anyURI ] ;
fhir:value [ fhir:v "uri"^^xsd:anyURI ]         ] ) ;
fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String"^^xsd:anyURI ]       ] ) ;
fhir:fixed [ fhir:v "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"^^xsd:anyURI ] ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ] ;
fhir:isSummary [ fhir:v "false"^^xsd:boolean ] ;
      ( fhir:mapping [
fhir:identity [ fhir:v "rim" ] ;
fhir:map [ fhir:v "N/A" ]       ] )     ] [
fhir:id [ fhir:v "Extension.value[x]" ] ;
fhir:path [ fhir:v "Extension.value[x]" ] ;
fhir:short [ fhir:v "Value of extension" ] ;
fhir:definition [ fhir:v "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ] ;
fhir:base [
fhir:path [ fhir:v "Extension.value[x]" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ]       ] ;
      ( fhir:type [
fhir:code [ fhir:v "Expression"^^xsd:anyURI ]       ] ) ;
      ( fhir:constraint [
fhir:key [ fhir:v "ele-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "All FHIR elements must have a @value or children" ] ;
fhir:expression [ fhir:v "hasValue() or (children().count() > id.count())" ] ;
fhir:xpath [ fhir:v "@value|f:*|h:div" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Element"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ] ) ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ] ;
fhir:isSummary [ fhir:v "false"^^xsd:boolean ] ;
      ( fhir:mapping [
fhir:identity [ fhir:v "rim" ] ;
fhir:map [ fhir:v "N/A" ]       ] )     ] )
  ] ; # 
  fhir:differential [
    ( fhir:element [
fhir:id [ fhir:v "Extension" ] ;
fhir:path [ fhir:v "Extension" ] ;
fhir:short [ fhir:v "Expression for possible answers" ] ;
fhir:definition [ fhir:v "A FHIRPath or CQL expression, or FHIR Query that resolves to a list of candidate answers for the question item or that establishes context for a group item.  The user may select from among the candidates to choose answers for the question." ] ;
fhir:comment [ fhir:v "The results of the expression must correspond to the item type of the question the element appears on or must correspond to a resource, backbone element or complex data type for a group item.  Resources are considered a match for the Reference item type.  Quantity can be a match for decimal and integer items so long as a questionnaire-unit extension is present.  If the expression returns coded data, it **SHALL* return the information as either code or Coding, not CodeableConcept.  If the expression returns elements of type 'code', when the user selects one or more candidates, the code will be matched against the allowed Codings (from answerValueSet, answerOptions, or answerExpresssion).  In this case, it is an error if there is more than one Coding with the same code." ] ;
fhir:max [ fhir:v "1" ]     ] [
fhir:id [ fhir:v "Extension.extension" ] ;
fhir:path [ fhir:v "Extension.extension" ] ;
fhir:max [ fhir:v "0" ]     ] [
fhir:id [ fhir:v "Extension.url" ] ;
fhir:path [ fhir:v "Extension.url" ] ;
fhir:fixed [ fhir:v "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"^^xsd:anyURI ]     ] [
fhir:id [ fhir:v "Extension.value[x]" ] ;
fhir:path [ fhir:v "Extension.value[x]" ] ;
      ( fhir:type [
fhir:code [ fhir:v "Expression"^^xsd:anyURI ]       ] )     ] )
  ] . #