Structured Data Capture
2.8.0 - CI Build

Structured Data Capture, published by HL7 International - FHIR Infrastructure Work Group. This is not an authorized publication; it is the continuous build for version 2.8.0). This version is based on the current content of https://github.com/HL7/sdc/ and changes regularly. See the Directory of published versions

Extension: CandidateExpressionExtension

A FHIRPath 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.

The official URL for this extension is:

http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression

Status: draft
Extension maintained by: HL7 International - FHIR Infrastructure Work Group

Context of Use

This extension may be used on the following element(s):

  • Questionnaire.item
  • Questionnaire.item.item

Usage info

Usage:

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

Summary

Fixed Value: 1 element

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionExpression for possible answers
... url 1..1uri"http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"
... value[x] 0..1ExpressionValue of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionExpression for possible answers
... id 0..1stringUnique id for inter-element referencing
... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
... url 1..1uri"http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"

doco Documentation for this format

This structure is derived from Extension

Summary

Fixed Value: 1 element

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionExpression for possible answers
... url 1..1uri"http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"
... value[x] 0..1ExpressionValue of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionExpression for possible answers
... id 0..1stringUnique id for inter-element referencing
... extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
... url 1..1uri"http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"

doco Documentation for this format

 

Other representations of extension: Schematron

Constraints

IdPathDetailsRequirements
ele-1ExtensionAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1ExtensionMust have either extensions or value[x], not both
: extension.exists() != value.exists()
ele-1Extension.extensionAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1Extension.extensionMust have either extensions or value[x], not both
: extension.exists() != value.exists()
ele-1Extension.value[x]All FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())