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

Structured Data Capture, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 4.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/sdc/ and changes regularly. See the Directory of published versions

Extension: AnswerExpressionExtension - TTL Profile

Page standards status: Trial-use Maturity Level: 4

TTL representation of the sdc-questionnaire-answerExpression 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-answerExpression"] ; # 
  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-answerExpression</b></p><a name=\"sdc-questionnaire-answerExpression\"> </a><a name=\"hcsdc-questionnaire-answerExpression\"> </a><a name=\"sdc-questionnaire-answerExpression-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-answerExpression-definitions.html#Extension\" title=\"An expression (FHIRPath, CQL or FHIR Query) that resolves to a list of permitted answers for the question item or that establishes context for a group item.  The user may select from among the list 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-answerExpression-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-answerExpression&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-answerExpression-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-answerExpression"^^xsd:anyURI] ; # 
  fhir:identifier ( [
fhir:system [ fhir:v "urn:ietf:rfc:3986"^^xsd:anyURI ] ;
fhir:value [ fhir:v "urn:oid:2.16.840.1.113883.4.642.40.17.42.11" ]
  ] ) ; # 
  fhir:version [ fhir:v "4.0.0-ballot"] ; # 
  fhir:name [ fhir:v "AnswerExpressionExtension"] ; # 
  fhir:title [ fhir:v "Answer Expression"] ; # 
  fhir:status [ fhir:v "active"] ; # 
  fhir:date [ fhir:v "2024-12-16T09:47:19+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 "An expression (FHIRPath, CQL or FHIR Query) that resolves to a list of permitted answers for the question item or that establishes context for a group item.  The user may select from among the list 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 "An expression (FHIRPath, CQL or FHIR Query) that resolves to a list of permitted answers for the question item or that establishes context for a group item.  The user may select from among the list to choose answers for the question." ] ;
fhir:comment [ fhir:v "This is only permitted when the containing item does NOT have any answerOption or answerValueSet elements. 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 result of an expression returns a code or codes, it **SHALL** return the results as Coding, not code or CodeableConcept." ] ;
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-answerExpression"^^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 "An expression (FHIRPath, CQL or FHIR Query) that resolves to a list of permitted answers for the question item or that establishes context for a group item.  The user may select from among the list to choose answers for the question." ] ;
fhir:comment [ fhir:v "This is only permitted when the containing item does NOT have any answerOption or answerValueSet elements. 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 result of an expression returns a code or codes, it **SHALL** return the results as Coding, not code or CodeableConcept." ] ;
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-answerExpression"^^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 ]       ] )     ] )
  ] . #