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Расширение: Variable

FHIR Infrastructure Work Group Maturity Level: 1InformativeUse Context: Any

URL этого расширения:

http://hl7.org/fhir/StructureDefinition/variable

Статус: draft. Extension maintained by: Health Level Seven International (FHIR Infrastructure)

Variable specifying a logic to generate a variable for use in subsequent logic. The name of the variable will be added to FHIRPath's context when processing descendants of the element that contains this extension.

Comment:

Ordering of variable extension declarations is significant as variables declared in one repetition of this extension might be used in subsequent extension repetitions.

Context of Use: Use on Element ID Questionnaire, Element ID Questionnaire.item or Element ID Questionnaire.item.item

usage info: insert a list of places where this extension is used

Содержимое расширения

Сводка

ИмяФлагиКард.ТипОписание и ограниченияdoco
.. Variable0..*ExpressionURL = http://hl7.org/fhir/StructureDefinition/variable
Variable: Variable specifying a logic to generate a variable for use in subsequent logic. The name of the variable will be added to FHIRPath's context when processing descendants of the element that contains this extension.


Use on Element ID Questionnaire, Element ID Questionnaire.item or Element ID Questionnaire.item.item

doco Документация по этому формату

Полная структура

ИмяФлагиКард.ТипОписание и ограниченияdoco
.. extension0..*ExtensionURL = http://hl7.org/fhir/StructureDefinition/variable
Variable: Variable specifying a logic to generate a variable for use in subsequent logic. The name of the variable will be added to FHIRPath's context when processing descendants of the element that contains this extension.


Use on Element ID Questionnaire, Element ID Questionnaire.item or Element ID Questionnaire.item.item
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/variable"
... valueExpression 0..1ExpressionValue of extension

doco Документация по этому формату

XML-шаблон

<!-- Variable -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/variable" >
  <!-- from Element: extension -->
 <valueExpression><!-- 0..1 Expression Value of extension --></valueExpression>
</extension>

JSON-шаблон

{ // Variable
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/variable", // R! 
    "valueExpression" : { Expression } //Value of extension
  }

Сводка

ИмяФлагиКард.ТипОписание и ограниченияdoco
.. Variable0..*ExpressionURL = http://hl7.org/fhir/StructureDefinition/variable
Variable: Variable specifying a logic to generate a variable for use in subsequent logic. The name of the variable will be added to FHIRPath's context when processing descendants of the element that contains this extension.


Use on Element ID Questionnaire, Element ID Questionnaire.item or Element ID Questionnaire.item.item

doco Документация по этому формату

Полная структура

ИмяФлагиКард.ТипОписание и ограниченияdoco
.. extension0..*ExtensionURL = http://hl7.org/fhir/StructureDefinition/variable
Variable: Variable specifying a logic to generate a variable for use in subsequent logic. The name of the variable will be added to FHIRPath's context when processing descendants of the element that contains this extension.


Use on Element ID Questionnaire, Element ID Questionnaire.item or Element ID Questionnaire.item.item
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/variable"
... valueExpression 0..1ExpressionValue of extension

doco Документация по этому формату

XML-шаблон

<!-- Variable -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/variable" >
  <!-- from Element: extension -->
 <valueExpression><!-- 0..1 Expression Value of extension --></valueExpression>
</extension>

JSON-шаблон

{ // Variable
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/variable", // R! 
    "valueExpression" : { Expression } //Value of extension
  }

 

Constraints

  • ele-1: All FHIR elements must have a @value or children (xpath: @value|f:*|h:div)
  • ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]))