FHIR Tooling Extensions IG
0.2.0-snapshot - Release International flag

FHIR Tooling Extensions IG, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 0.2.0-snapshot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/FHIR/fhir-tools-ig/ and changes regularly. See the Directory of published versions

Extension: Json Empty Behavior Extension (Experimental)

Official URL: http://hl7.org/fhir/tools/StructureDefinition/json-empty-behavior Version: 0.2.0-snapshot
Active as of 2024-04-25 Maturity Level: 2 Computable Name: JsonEmptyBehavior
Other Identifiers: OID:2.16.840.1.113883.4.642.40.1.42.26

empty-behaviour: what should be in JSON when a repeating elements has no items? Can be absent, present, or either

Context of Use

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

  • Element ID ElementDefinition
  • Element ID ElementDefinition.type

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

Simple Extension of type code: empty-behaviour: what should be in JSON when a repeating elements has no items? Can be absent, present, or either

Maturity: 2

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..* Extension Defines what should happen if a repeating element has no items
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/tools/StructureDefinition/json-empty-behavior"
... value[x] 1..1 code Value of extension
Binding: Json Empty Behavior Codes Value Set (required)

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..* Extension Defines what should happen if a repeating element has no items
... id 0..1 id Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/tools/StructureDefinition/json-empty-behavior"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension of type code: empty-behaviour: what should be in JSON when a repeating elements has no items? Can be absent, present, or either

Maturity: 2

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..* Extension Defines what should happen if a repeating element has no items
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/tools/StructureDefinition/json-empty-behavior"
... value[x] 1..1 code Value of extension
Binding: Json Empty Behavior Codes Value Set (required)

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..* Extension Defines what should happen if a repeating element has no items
... id 0..1 id Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/tools/StructureDefinition/json-empty-behavior"

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSetURI
Extension.value[x]requiredJsonEmptyBehaviorCodesVS (a valid code from Json Empty Behavior Codes)
http://hl7.org/fhir/tools/ValueSet/json-empty-behavior
from this IG

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()