Release 4 4B

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Extension: bestpractice-explanation

FHIR Infrastructure Work Group   Maturity Level : 1 Informative Use 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

Name Flags Card. Type Description & Constraints doco
. . bestpractice-explanation 0..1 markdown URL = 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

Name Flags Card. Type Description & Constraints doco
. . extension 0..1 Extension URL = 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 I 0..0
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation"
. . . value[x] I 1..1 markdown Value 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]"/><!-- ?? 1..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>" // C? R! Value of extension

  }

Summary

Name Flags Card. Type Description & Constraints doco
. . bestpractice-explanation 0..1 markdown URL = 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

Name Flags Card. Type Description & Constraints doco
. . extension 0..1 Extension URL = 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 I 0..0
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation"
. . . value[x] I 1..1 markdown Value 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]"/><!-- ?? 1..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>" // C? R! Value of extension

  }

 

Constraints

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