Release 5

This page is part of the FHIR Specification (v5.0.0: R5 - STU). This is the current published version in it's permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4

Example StructureDefinition/canonical (Turtle)

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

Raw Turtle (+ also see Turtle/RDF Format Specification)

StructureDefinition for canonical

@prefix fhir: <http://hl7.org/fhir/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

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

[] a fhir:StructureDefinition ;
  fhir:id [ fhir:v "canonical"] ;
  fhir:text [
     fhir:status [ fhir:v "generated" ]
  ] ;
  fhir:extension ( [
     fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status" ] ;
     fhir:value [ fhir:v "normative" ]
  ] [
     fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version" ] ;
     fhir:value [ fhir:v "4.0.0" ]
  ] [
     fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics" ] ;
     fhir:value [ fhir:v "has-target" ]
  ] [
     fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics" ] ;
     fhir:value [ fhir:v "has-length" ]
  ] ) ;
  fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/canonical"], [ fhir:v "http://hl7.org/fhir/StructureDefinition/canonical"] ;
  fhir:version [ fhir:v "5.0.0"], [ fhir:v "5.0.0"] ;
  fhir:name [ fhir:v "canonical"], [ fhir:v "canonical"] ;
  fhir:status [ fhir:v "active"], [ fhir:v "active"] ;
  fhir:experimental [ fhir:v "false"], [ fhir:v "false"] ;
  fhir:date [ fhir:v "2023-03-26T15:21:02+11:00"], [ fhir:v "2023-03-26T15:21:02+11:00"] ;
  fhir:publisher [ fhir:v "HL7 FHIR Standard"], [ fhir:v "HL7 FHIR Standard"] ;
  fhir:contact ( [
     fhir:telecom ( [
       fhir:system [ fhir:v "url" ] ;
       fhir:value [ fhir:v "http://hl7.org/fhir" ]
     ] )
  ] [
     fhir:telecom ( [
       fhir:system [ fhir:v "url" ] ;
       fhir:value [ fhir:v "http://hl7.org/fhir" ]
     ] )
  ] ) ;
  fhir:description [ fhir:v "canonical type: A URI that is a reference to a canonical URL on a FHIR resource"], [ fhir:v "canonical type: A URI that is a reference to a canonical URL on a FHIR resource"] ;
  fhir:jurisdiction ( [
     fhir:coding ( [
       fhir:system [ fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm" ] ;
       fhir:code [ fhir:v "001" ] ;
       fhir:display [ fhir:v "World" ]
     ] )
  ] [
     fhir:coding ( [
       fhir:system [ fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm" ] ;
       fhir:code [ fhir:v "001" ] ;
       fhir:display [ fhir:v "World" ]
     ] )
  ] ) ;
  fhir:fhirVersion [ fhir:v "5.0.0"] ;
  fhir:kind [ fhir:v "primitive-type"] ;
  fhir:abstract [ fhir:v "false"] ;
  fhir:type [ fhir:v "canonical"] ;
  fhir:baseDefinition [ fhir:v "http://hl7.org/fhir/StructureDefinition/uri"] ;
  fhir:derivation [ fhir:v "specialization"] ;
  fhir:snapshot [
     fhir:element ( [
       fhir:id [ fhir:v "canonical" ] ;
       fhir:path [ fhir:v "canonical" ] ;
       fhir:short [ fhir:v "Primitive Type canonical" ] ;
       fhir:definition [ fhir:v "A URI that is a reference to a canonical URL on a FHIR resource" ] ;
       fhir:comment [ fhir:v "see [Canonical References](references.html#canonical)" ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "*" ] ;
       fhir:base [
         fhir:path [ fhir:v "canonical" ] ;
         fhir:min [ fhir:v "0" ] ;
         fhir:max [ fhir:v "*" ]
       ] ;
       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:source [ fhir:v "http://hl7.org/fhir/StructureDefinition/Element" ]
       ] ) ;
       fhir:isModifier [ fhir:v "false" ] ;
       fhir:isSummary [ fhir:v "false" ]
     ] [
       fhir:id [ fhir:v "canonical.id" ] ;
       fhir:path [ fhir:v "canonical.id" ] ;
       fhir:representation ( [ fhir:v "xmlAttr" ] ) ;
       fhir:short [ fhir:v "xml:id (or equivalent in JSON)" ] ;
       fhir:definition [ fhir:v "unique id for the element within a resource (for internal references)" ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "Element.id" ] ;
         fhir:min [ fhir:v "0" ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:extension ( [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ] ;
           fhir:value [ fhir:v "string" ]
         ] ) ;
         fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String" ]
       ] ) ;
       fhir:isModifier [ fhir:v "false" ] ;
       fhir:isSummary [ fhir:v "false" ]
     ] [
       fhir:id [ fhir:v "canonical.extension" ] ;
       fhir:path [ fhir:v "canonical.extension" ] ;
       fhir:short [ fhir:v "Additional content defined by implementations" ] ;
       fhir:definition [ fhir:v "May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." ] ;
       fhir:comment [ fhir:v "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." ] ;
       fhir:alias ( [ fhir:v "extensions" ] [ fhir:v "user content" ] ) ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "*" ] ;
       fhir:base [
         fhir:path [ fhir:v "Element.extension" ] ;
         fhir:min [ fhir:v "0" ] ;
         fhir:max [ fhir:v "*" ]
       ] ;
       fhir:type ( [
         fhir:code [ fhir:v "Extension" ]
       ] ) ;
       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:source [ fhir:v "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:source [ fhir:v "http://hl7.org/fhir/StructureDefinition/Extension" ]
       ] ) ;
       fhir:isModifier [ fhir:v "false" ] ;
       fhir:isSummary [ fhir:v "false" ]
     ] [
       fhir:id [ fhir:v "canonical.value" ] ;
       fhir:path [ fhir:v "canonical.value" ] ;
       fhir:representation ( [ fhir:v "xmlAttr" ] ) ;
       fhir:short [ fhir:v "Primitive value for canonical" ] ;
       fhir:definition [ fhir:v "Primitive value for canonical" ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "uri.value" ] ;
         fhir:min [ fhir:v "0" ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:extension ( [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ] ;
           fhir:value [ fhir:v "canonical" ]
         ] [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/regex" ] ;
           fhir:value [ fhir:v "\\S*" ]
         ] ) ;
         fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String" ]
       ] ) ;
       fhir:isModifier [ fhir:v "false" ] ;
       fhir:isSummary [ fhir:v "false" ]
     ] )
  ] ;
  fhir:differential [
     fhir:element ( [
       fhir:id [ fhir:v "canonical" ] ;
       fhir:path [ fhir:v "canonical" ] ;
       fhir:short [ fhir:v "Primitive Type canonical" ] ;
       fhir:definition [ fhir:v "A URI that is a reference to a canonical URL on a FHIR resource" ] ;
       fhir:comment [ fhir:v "see [Canonical References](references.html#canonical)" ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "*" ]
     ] [
       fhir:id [ fhir:v "canonical.value" ] ;
       fhir:path [ fhir:v "canonical.value" ] ;
       fhir:representation ( [ fhir:v "xmlAttr" ] ) ;
       fhir:short [ fhir:v "Primitive value for canonical" ] ;
       fhir:definition [ fhir:v "Primitive value for canonical" ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:type ( [
         fhir:extension ( [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ] ;
           fhir:value [ fhir:v "canonical" ]
         ] [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/regex" ] ;
           fhir:value [ fhir:v "\\S*" ]
         ] ) ;
         fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String" ]
       ] )
     ] )
  ] .

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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.