Release 4B R5 Final QA

This page is part of the FHIR Specification (v4.3.0: R4B (v5.0.0-draft-final: Final QA Preview for R5 - STU see ballot notes ). 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

Expression.profile.ttl

Example StructureDefinition/Expression (Turtle)

Modeling and Methodology Work Group Maturity Level : N/A Standards Status : Informative

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

StructureDefinition for Expression 

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

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

[] a fhir:StructureDefinition;
  fhir:Resource.id [ fhir:value "Expression"];
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "generated" ]
  ];
  fhir:DomainResource.extension [
     fhir:index 0;
     fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status" ];
     fhir:Extension.value [ fhir:value "trial-use" ]
  ];
  fhir:StructureDefinition.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/Expression"];
  fhir:StructureDefinition.version [ fhir:value "4.3.0"];
  fhir:StructureDefinition.name [ fhir:value "Expression"];
  fhir:StructureDefinition.status [ fhir:value "draft"];
  fhir:StructureDefinition.experimental [ fhir:value "false"];
  fhir:StructureDefinition.date [ fhir:value "2022-05-28T12:47:40+10:00"];
  fhir:StructureDefinition.publisher [ fhir:value "HL7 FHIR Standard"];
  fhir:StructureDefinition.contact [
     fhir:index 0;
     fhir:ContactDetail.telecom [
       fhir:index 0;
       fhir:ContactPoint.system [ fhir:value "url" ];
       fhir:ContactPoint.value [ fhir:value "http://hl7.org/fhir" ]
     ]
  ];
  fhir:StructureDefinition.description [ fhir:value "Base StructureDefinition for Expression Type: A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used."];
  fhir:StructureDefinition.fhirVersion [ fhir:value "4.3.0"];
  fhir:StructureDefinition.mapping [
     fhir:index 0;
     fhir:StructureDefinition.identity [ fhir:value "rim" ];
     fhir:StructureDefinition.uri [ fhir:value "http://hl7.org/v3" ];
     fhir:StructureDefinition.name [ fhir:value "RIM Mapping" ]
  ];
  fhir:StructureDefinition.kind [ fhir:value "complex-type"];
  fhir:StructureDefinition.abstract [ fhir:value "false"];
  fhir:StructureDefinition.type [ fhir:value "Expression"];
  fhir:StructureDefinition.baseDefinition [ fhir:value "http://hl7.org/fhir/StructureDefinition/Element"];
  fhir:StructureDefinition.derivation [ fhir:value "specialization"];
  fhir:StructureDefinition.snapshot [
     fhir:StructureDefinition.element [
       fhir:index 0;
       fhir:Element.id [ fhir:value "Expression" ];
       fhir:Element.extension [
         fhir:index 0;
         fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status" ];
         fhir:Extension.value [ fhir:value "trial-use" ]
       ];
       fhir:ElementDefinition.path [ fhir:value "Expression" ];
       fhir:ElementDefinition.short [ fhir:value "An expression that can be used to generate a value" ];
       fhir:ElementDefinition.definition [ fhir:value "A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.path [ fhir:value "Expression" ];
         fhir:ElementDefinition.min [ fhir:value "0" ];
         fhir:ElementDefinition.max [ fhir:value "*" ]
       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0
       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "All FHIR elements must have a @value or children unless an empty Parameters resource" ];
         fhir:ElementDefinition.expression [ fhir:value "hasValue() or (children().count() > id.count()) or $this is Parameters" ];
         fhir:ElementDefinition.xpath [ fhir:value "@value|f:*|h:div|self::f:Parameters" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ]
       ], [
         fhir:index 1;
         fhir:ElementDefinition.key [ fhir:value "exp-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "An expression or a reference must be provided" ];
         fhir:ElementDefinition.expression [ fhir:value "expression.exists() or reference.exists()" ];
         fhir:ElementDefinition.xpath [ fhir:value "exists(f:expression) or exists(f:reference)" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Expression" ]
       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false" ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.map [ fhir:value "n/a" ]
       ]
     ], [
       fhir:index 1;
       fhir:Element.id [ fhir:value "Expression.id" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0
       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.min [ fhir:value "0" ];
         fhir:ElementDefinition.max [ fhir:value "1" ]
       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.value [ fhir:value "id" ]
         ];
         fhir:ElementDefinition.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]
       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false" ];
       fhir:ElementDefinition.isSummary [ fhir:value "false" ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.map [ fhir:value "n/a" ]
       ]
     ], [
       fhir:index 2;
       fhir:Element.id [ fhir:value "Expression.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.type [ fhir:value "value" ];
           fhir:ElementDefinition.path [ fhir:value "url" ]
         ];
         fhir:ElementDefinition.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.rules [ fhir:value "open" ]
       ];
       fhir:ElementDefinition.short [ fhir:value "Additional content defined by implementations" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." ];
       fhir:ElementDefinition.comment [ fhir: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." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0
       ], [
         fhir:value "user content";
         fhir:index 1
       ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.min [ fhir:value "0" ];
         fhir:ElementDefinition.max [ fhir:value "*" ]
       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "Extension" ]
       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ]
       ], [
         fhir:index 1;
         fhir:ElementDefinition.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Extension" ]
       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false" ];
       fhir:ElementDefinition.isSummary [ fhir:value "false" ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.map [ fhir:value "n/a" ]
       ]
     ], [
       fhir:index 3;
       fhir:Element.id [ fhir:value "Expression.description" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.description" ];
       fhir:ElementDefinition.short [ fhir:value "Natural language description of the condition" ];
       fhir:ElementDefinition.definition [ fhir:value "A brief, natural language description of the condition that effectively communicates the intended semantics." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.path [ fhir:value "Expression.description" ];
         fhir:ElementDefinition.min [ fhir:value "0" ];
         fhir:ElementDefinition.max [ fhir:value "1" ]
       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "string" ]
       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ]
       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ]
     ], [
       fhir:index 4;
       fhir:Element.id [ fhir:value "Expression.name" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.name" ];
       fhir:ElementDefinition.short [ fhir:value "Short name assigned to expression for reuse" ];
       fhir:ElementDefinition.definition [ fhir:value "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.path [ fhir:value "Expression.name" ];
         fhir:ElementDefinition.min [ fhir:value "0" ];
         fhir:ElementDefinition.max [ fhir:value "1" ]
       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "id" ]
       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ]
       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ]
     ], [
       fhir:index 5;
       fhir:Element.id [ fhir:value "Expression.language" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.language" ];
       fhir:ElementDefinition.short [ fhir:value "text/cql | text/fhirpath | application/x-fhir-query | text/cql-identifier | text/cql-expression | etc." ];
       fhir:ElementDefinition.definition [ fhir:value "The media type of the language for the expression." ];
       fhir:ElementDefinition.min [ fhir:value "1" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.path [ fhir:value "Expression.language" ];
         fhir:ElementDefinition.min [ fhir:value "1" ];
         fhir:ElementDefinition.max [ fhir:value "1" ]
       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "code" ]
       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ]
       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/build/StructureDefinition/binding-definition" ];
           fhir:Extension.value [ fhir:value "The media type of the expression language." ]
         ], [
           fhir:index 1;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet" ];
           fhir:Extension.value [ fhir:value "http://hl7.org/fhir/ValueSet/mimetypes" ]
         ], [
           fhir:index 2;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.value [ fhir:value "ExpressionLanguage" ]
         ];
         fhir:ElementDefinition.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.valueSet [ fhir:value "http://hl7.org/fhir/ValueSet/expression-language" ]
       ]
     ], [
       fhir:index 6;
       fhir:Element.id [ fhir:value "Expression.expression" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.expression" ];
       fhir:ElementDefinition.short [ fhir:value "Expression in specified language" ];
       fhir:ElementDefinition.definition [ fhir:value "An expression in the specified language that returns a value." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.path [ fhir:value "Expression.expression" ];
         fhir:ElementDefinition.min [ fhir:value "0" ];
         fhir:ElementDefinition.max [ fhir:value "1" ]
       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "string" ]
       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ]
       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ]
     ], [
       fhir:index 7;
       fhir:Element.id [ fhir:value "Expression.reference" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.reference" ];
       fhir:ElementDefinition.short [ fhir:value "Where the expression is found" ];
       fhir:ElementDefinition.definition [ fhir:value "A URI that defines where the expression is found." ];
       fhir:ElementDefinition.comment [ fhir:value "If both a reference and an expression is found, the reference SHALL point to the same expression." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.path [ fhir:value "Expression.reference" ];
         fhir:ElementDefinition.min [ fhir:value "0" ];
         fhir:ElementDefinition.max [ fhir:value "1" ]
       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "uri" ]
       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Element" ]
       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ]
     ]
  ];
  fhir:StructureDefinition.differential [
     fhir:StructureDefinition.element [
       fhir:index 0;
       fhir:Element.id [ fhir:value "Expression" ];
       fhir:Element.extension [
         fhir:index 0;
         fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status" ];
         fhir:Extension.value [ fhir:value "trial-use" ]
       ];
       fhir:ElementDefinition.path [ fhir:value "Expression" ];
       fhir:ElementDefinition.short [ fhir:value "An expression that can be used to generate a value" ];
       fhir:ElementDefinition.definition [ fhir:value "A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.key [ fhir:value "exp-1" ];
         fhir:ElementDefinition.severity [ fhir:value "error" ];
         fhir:ElementDefinition.human [ fhir:value "An expression or a reference must be provided" ];
         fhir:ElementDefinition.expression [ fhir:value "expression.exists() or reference.exists()" ];
         fhir:ElementDefinition.xpath [ fhir:value "exists(f:expression) or exists(f:reference)" ];
         fhir:ElementDefinition.source [ fhir:value "http://hl7.org/fhir/StructureDefinition/Expression" ]

[] a fhir:StructureDefinition ;
  fhir:id [ fhir:v "Expression"] ;
  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 "trial-use" ]
  ] ) ;
  fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/Expression"], [ fhir:v "http://hl7.org/fhir/StructureDefinition/Expression"] ;
  fhir:version [ fhir:v "5.0.0-draft-final"], [ fhir:v "5.0.0-draft-final"] ;
  fhir:name [ fhir:v "Expression"], [ fhir:v "Expression"] ;
  fhir:status [ fhir:v "draft"], [ fhir:v "draft"] ;
  fhir:experimental [ fhir:v "false"], [ fhir:v "false"] ;
  fhir:date [ fhir:v "2023-03-01T23:03:57+11:00"], [ fhir:v "2023-03-01T23:03:57+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 "Expression Type: A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used."], [ fhir:v "Expression Type: A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used."] ;
  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-draft-final"] ;
  fhir:mapping ( [
     fhir:identity [ fhir:v "rim" ] ;
     fhir:uri [ fhir:v "http://hl7.org/v3" ] ;
     fhir:name [ fhir:v "RIM Mapping" ]
  ] ) ;
  fhir:kind [ fhir:v "complex-type"] ;
  fhir:abstract [ fhir:v "false"] ;
  fhir:type [ fhir:v "Expression"] ;
  fhir:baseDefinition [ fhir:v "http://hl7.org/fhir/StructureDefinition/DataType"] ;
  fhir:derivation [ fhir:v "specialization"] ;
  fhir:snapshot [
     fhir:element ( [
       fhir:id [ fhir:v "Expression" ] ;
       fhir:extension ( [
         fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status" ] ;
         fhir:value [ fhir:v "trial-use" ]
       ] ) ;
       fhir:path [ fhir:v "Expression" ] ;
       fhir:short [ fhir:v "An expression that can be used to generate a value" ] ;
       fhir:definition [ fhir:v "A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "*" ] ;
       fhir:base [
         fhir:path [ fhir:v "Expression" ] ;
         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:key [ fhir:v "exp-1" ] ;
         fhir:severity [ fhir:v "error" ] ;
         fhir:human [ fhir:v "An expression or a reference must be provided" ] ;
         fhir:expression [ fhir:v "expression.exists() or reference.exists()" ] ;
         fhir:source [ fhir:v "http://hl7.org/fhir/StructureDefinition/Expression" ]
       ] [
         fhir:key [ fhir:v "exp-2" ] ;
         fhir:severity [ fhir:v "error" ] ;
         fhir:human [ fhir:v "The name must be a valid variable name in most computer languages" ] ;
         fhir:expression [ fhir:v "name.hasValue() implies name.matches('[A-Za-z][A-Za-z0-9\\\\_]{0,63}')" ] ;
         fhir:source [ fhir:v "http://hl7.org/fhir/StructureDefinition/Expression" ]
       ] ) ;
       fhir:isModifier [ fhir:v "false" ] ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "n/a" ]
       ] )
     ] [
       fhir:id [ fhir:v "Expression.id" ] ;
       fhir:path [ fhir:v "Expression.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" ] ;
       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 "id" ]
         ] ) ;
         fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String" ]
       ] ) ;
       fhir:condition ( [ fhir:v "ele-1" ] ) ;
       fhir:isModifier [ fhir:v "false" ] ;
       fhir:isSummary [ fhir:v "false" ] ;
       fhir:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "n/a" ]
       ] )
     ] [
       fhir:id [ fhir:v "Expression.extension" ] ;
       fhir:path [ fhir:v "Expression.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 "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 element. 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:mapping ( [
         fhir:identity [ fhir:v "rim" ] ;
         fhir:map [ fhir:v "n/a" ]
       ] )
     ] [
       fhir:id [ fhir:v "Expression.description" ] ;
       fhir:path [ fhir:v "Expression.description" ] ;
       fhir:short [ fhir:v "Natural language description of the condition" ] ;
       fhir:definition [ fhir:v "A brief, natural language description of the condition that effectively communicates the intended semantics." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "Expression.description" ] ;
         fhir:min [ fhir:v "0" ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:code [ fhir:v "string" ]
       ] ) ;
       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 "true" ]
     ] [
       fhir:id [ fhir:v "Expression.name" ] ;
       fhir:extension ( [
         fhir:url [ fhir:v "http://hl7.org/fhir/build/StructureDefinition/no-binding" ] ;
         fhir:value [ fhir:v "true" ]
       ] ) ;
       fhir:path [ fhir:v "Expression.name" ] ;
       fhir:short [ fhir:v "Short name assigned to expression for reuse" ] ;
       fhir:definition [ fhir:v "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "Expression.name" ] ;
         fhir:min [ fhir:v "0" ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:code [ fhir:v "code" ]
       ] ) ;
       fhir:condition ( [ fhir:v "exp-2" ] ) ;
       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 "true" ]
     ] [
       fhir:id [ fhir:v "Expression.language" ] ;
       fhir:path [ fhir:v "Expression.language" ] ;
       fhir:short [ fhir:v "text/cql | text/fhirpath | application/x-fhir-query | etc." ] ;
       fhir:definition [ fhir:v "The media type of the language for the expression." ] ;
       fhir:requirements [ fhir:v "The cardinality of this element is optional to allow text only as part of the authoring process.  However, in order to be executable, the expression element must be specified." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "Expression.language" ] ;
         fhir:min [ fhir:v "0" ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:code [ fhir:v "code" ]
       ] ) ;
       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 "true" ] ;
       fhir:binding [
         fhir:extension ( [
           fhir:url [ fhir:v "http://hl7.org/fhir/build/StructureDefinition/binding-definition" ] ;
           fhir:value [ fhir:v "The media type of the expression language." ]
         ] [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ] ;
           fhir:value [ fhir:v "ExpressionLanguage" ]
         ] ) ;
         fhir:strength [ fhir:v "extensible" ] ;
         fhir:description [ fhir:v "The media type of the expression language." ] ;
         fhir:valueSet [ fhir:v "http://hl7.org/fhir/ValueSet/expression-language" ] ;
         fhir:additional ( [
           fhir:purpose [ fhir:v "maximum" ] ;
           fhir:valueSet [ fhir:v "http://hl7.org/fhir/ValueSet/mimetypes" ]
         ] )

       ]
     ], [
       fhir:index 1;
       fhir:Element.id [ fhir:value "Expression.description" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.description" ];
       fhir:ElementDefinition.short [ fhir:value "Natural language description of the condition" ];
       fhir:ElementDefinition.definition [ fhir:value "A brief, natural language description of the condition that effectively communicates the intended semantics." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "string" ]
       ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ]
     ], [
       fhir:index 2;
       fhir:Element.id [ fhir:value "Expression.name" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.name" ];
       fhir:ElementDefinition.short [ fhir:value "Short name assigned to expression for reuse" ];
       fhir:ElementDefinition.definition [ fhir:value "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "id" ]
       ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ]
     ], [
       fhir:index 3;
       fhir:Element.id [ fhir:value "Expression.language" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.language" ];
       fhir:ElementDefinition.short [ fhir:value "text/cql | text/fhirpath | application/x-fhir-query | text/cql-identifier | text/cql-expression | etc." ];
       fhir:ElementDefinition.definition [ fhir:value "The media type of the language for the expression." ];
       fhir:ElementDefinition.min [ fhir:value "1" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "code" ]
       ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/build/StructureDefinition/binding-definition" ];
           fhir:Extension.value [ fhir:value "The media type of the expression language." ]
         ], [
           fhir:index 1;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet" ];
           fhir:Extension.value [ fhir:value "http://hl7.org/fhir/ValueSet/mimetypes" ]
         ], [
           fhir:index 2;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.value [ fhir:value "ExpressionLanguage" ]
         ];
         fhir:ElementDefinition.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.valueSet [ fhir:value "http://hl7.org/fhir/ValueSet/expression-language" ]

     ] [
       fhir:id [ fhir:v "Expression.expression" ] ;
       fhir:path [ fhir:v "Expression.expression" ] ;
       fhir:short [ fhir:v "Expression in specified language" ] ;
       fhir:definition [ fhir:v "An expression in the specified language that returns a value." ] ;
       fhir:comment [ fhir:v "If Expression.expression and Expression.reference are both present, the Expression.expression might just be a name pointing something within the referenced content." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "Expression.expression" ] ;
         fhir:min [ fhir:v "0" ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:code [ fhir:v "string" ]
       ] ) ;
       fhir:condition ( [ fhir:v "exp-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:source [ fhir:v "http://hl7.org/fhir/StructureDefinition/Element" ]
       ] ) ;
       fhir:isModifier [ fhir:v "false" ] ;
       fhir:isSummary [ fhir:v "true" ]
     ] [
       fhir:id [ fhir:v "Expression.reference" ] ;
       fhir:path [ fhir:v "Expression.reference" ] ;
       fhir:short [ fhir:v "Where the expression is found" ] ;
       fhir:definition [ fhir:v "A URI that defines where the expression is found." ] ;
       fhir:comment [ fhir:v "If both a reference and an expression is found, the reference SHALL point to the same expression." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:base [
         fhir:path [ fhir:v "Expression.reference" ] ;
         fhir:min [ fhir:v "0" ] ;
         fhir:max [ fhir:v "1" ]
       ] ;
       fhir:type ( [
         fhir:code [ fhir:v "uri" ]
       ] ) ;
       fhir:condition ( [ fhir:v "exp-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:source [ fhir:v "http://hl7.org/fhir/StructureDefinition/Element" ]
       ] ) ;
       fhir:isModifier [ fhir:v "false" ] ;
       fhir:isSummary [ fhir:v "true" ]
     ] )
  ] ;
  fhir:differential [
     fhir:element ( [
       fhir:id [ fhir:v "Expression" ] ;
       fhir:extension ( [
         fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status" ] ;
         fhir:value [ fhir:v "trial-use" ]
       ] ) ;
       fhir:path [ fhir:v "Expression" ] ;
       fhir:short [ fhir:v "An expression that can be used to generate a value" ] ;
       fhir:definition [ fhir:v "A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "*" ] ;
       fhir:constraint ( [
         fhir:key [ fhir:v "exp-2" ] ;
         fhir:severity [ fhir:v "error" ] ;
         fhir:human [ fhir:v "The name must be a valid variable name in most computer languages" ] ;
         fhir:expression [ fhir:v "name.hasValue() implies name.matches('[A-Za-z][A-Za-z0-9\\\\_]{0,63}')" ] ;
         fhir:source [ fhir:v "http://hl7.org/fhir/StructureDefinition/Expression" ]
       ] [
         fhir:key [ fhir:v "exp-1" ] ;
         fhir:severity [ fhir:v "error" ] ;
         fhir:human [ fhir:v "An expression or a reference must be provided" ] ;
         fhir:expression [ fhir:v "expression.exists() or reference.exists()" ] ;
         fhir:source [ fhir:v "http://hl7.org/fhir/StructureDefinition/Expression" ]
       ] )
     ] [
       fhir:id [ fhir:v "Expression.description" ] ;
       fhir:path [ fhir:v "Expression.description" ] ;
       fhir:short [ fhir:v "Natural language description of the condition" ] ;
       fhir:definition [ fhir:v "A brief, natural language description of the condition that effectively communicates the intended semantics." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:type ( [
         fhir:code [ fhir:v "string" ]
       ] ) ;
       fhir:isSummary [ fhir:v "true" ]
     ] [
       fhir:id [ fhir:v "Expression.name" ] ;
       fhir:extension ( [
         fhir:url [ fhir:v "http://hl7.org/fhir/build/StructureDefinition/no-binding" ] ;
         fhir:value [ fhir:v "true" ]
       ] ) ;
       fhir:path [ fhir:v "Expression.name" ] ;
       fhir:short [ fhir:v "Short name assigned to expression for reuse" ] ;
       fhir:definition [ fhir:v "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:type ( [
         fhir:code [ fhir:v "code" ]
       ] ) ;
       fhir:condition ( [ fhir:v "exp-2" ] ) ;
       fhir:isSummary [ fhir:v "true" ]
     ] [
       fhir:id [ fhir:v "Expression.language" ] ;
       fhir:path [ fhir:v "Expression.language" ] ;
       fhir:short [ fhir:v "text/cql | text/fhirpath | application/x-fhir-query | etc." ] ;
       fhir:definition [ fhir:v "The media type of the language for the expression." ] ;
       fhir:requirements [ fhir:v "The cardinality of this element is optional to allow text only as part of the authoring process.  However, in order to be executable, the expression element must be specified." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:type ( [
         fhir:code [ fhir:v "code" ]
       ] ) ;
       fhir:isSummary [ fhir:v "true" ] ;
       fhir:binding [
         fhir:extension ( [
           fhir:url [ fhir:v "http://hl7.org/fhir/build/StructureDefinition/binding-definition" ] ;
           fhir:value [ fhir:v "The media type of the expression language." ]
         ] [
           fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ] ;
           fhir:value [ fhir:v "ExpressionLanguage" ]
         ] ) ;
         fhir:strength [ fhir:v "extensible" ] ;
         fhir:description [ fhir:v "The media type of the expression language." ] ;
         fhir:valueSet [ fhir:v "http://hl7.org/fhir/ValueSet/expression-language" ] ;
         fhir:additional ( [
           fhir:purpose [ fhir:v "maximum" ] ;
           fhir:valueSet [ fhir:v "http://hl7.org/fhir/ValueSet/mimetypes" ]
         ] )

       ]
     ], [
       fhir:index 4;
       fhir:Element.id [ fhir:value "Expression.expression" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.expression" ];
       fhir:ElementDefinition.short [ fhir:value "Expression in specified language" ];
       fhir:ElementDefinition.definition [ fhir:value "An expression in the specified language that returns a value." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "string" ]
       ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ]
     ], [
       fhir:index 5;
       fhir:Element.id [ fhir:value "Expression.reference" ];
       fhir:ElementDefinition.path [ fhir:value "Expression.reference" ];
       fhir:ElementDefinition.short [ fhir:value "Where the expression is found" ];
       fhir:ElementDefinition.definition [ fhir:value "A URI that defines where the expression is found." ];
       fhir:ElementDefinition.comment [ fhir:value "If both a reference and an expression is found, the reference SHALL point to the same expression." ];
       fhir:ElementDefinition.min [ fhir:value "0" ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.code [ fhir:value "uri" ]
       ];
       fhir:ElementDefinition.isSummary [ fhir:value "true" ]
     ]

     ] [
       fhir:id [ fhir:v "Expression.expression" ] ;
       fhir:path [ fhir:v "Expression.expression" ] ;
       fhir:short [ fhir:v "Expression in specified language" ] ;
       fhir:definition [ fhir:v "An expression in the specified language that returns a value." ] ;
       fhir:comment [ fhir:v "If Expression.expression and Expression.reference are both present, the Expression.expression might just be a name pointing something within the referenced content." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:type ( [
         fhir:code [ fhir:v "string" ]
       ] ) ;
       fhir:condition ( [ fhir:v "exp-1" ] ) ;
       fhir:isSummary [ fhir:v "true" ]
     ] [
       fhir:id [ fhir:v "Expression.reference" ] ;
       fhir:path [ fhir:v "Expression.reference" ] ;
       fhir:short [ fhir:v "Where the expression is found" ] ;
       fhir:definition [ fhir:v "A URI that defines where the expression is found." ] ;
       fhir:comment [ fhir:v "If both a reference and an expression is found, the reference SHALL point to the same expression." ] ;
       fhir:min [ fhir:v "0" ] ;
       fhir:max [ fhir:v "1" ] ;
       fhir:type ( [
         fhir:code [ fhir:v "uri" ]
       ] ) ;
       fhir:condition ( [ fhir:v "exp-1" ] ) ;
       fhir:isSummary [ fhir:v "true" ]
     ] )

  ] .

# -------------------------------------------------------------------------------------

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.