Current Build

Extension: bestpractice-explanation

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

URL for this extension:

http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation

Status: draft. Extension maintained by: Health Level Seven, Inc. - FHIR Core WG

Explains why an invariant is labelled as a best practice invariant.

Context of Use: Use on Element ID ElementDefinition.constraint

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. bestpractice-explanation0..1markdownURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation
bestpractice-explanation: Explains why an invariant is labelled as a best practice invariant.


Use on Element ID ElementDefinition.constraint

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation
bestpractice-explanation: Explains why an invariant is labelled as a best practice invariant.


Use on Element ID ElementDefinition.constraint
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation"
... valueMarkdown 0..1markdownValue of extension

doco Documentation for this format

XML Template

<!-- bestpractice-explanation -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation" >
  <!-- from Element: extension -->
 <valueMarkdown value="[markdown]"/><!-- 0..1 Value of extension -->
</extension>

JSON Template

{ // bestpractice-explanation
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation", // R! 
    "valueMarkdown" : "<markdown>" //Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. bestpractice-explanation0..1markdownURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation
bestpractice-explanation: Explains why an invariant is labelled as a best practice invariant.


Use on Element ID ElementDefinition.constraint

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation
bestpractice-explanation: Explains why an invariant is labelled as a best practice invariant.


Use on Element ID ElementDefinition.constraint
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation"
... valueMarkdown 0..1markdownValue of extension

doco Documentation for this format

XML Template

<!-- bestpractice-explanation -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation" >
  <!-- from Element: extension -->
 <valueMarkdown value="[markdown]"/><!-- 0..1 Value of extension -->
</extension>

JSON Template

{ // bestpractice-explanation
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation", // R! 
    "valueMarkdown" : "<markdown>" //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')]))