FHIR Release 3 (STU) 5 Preview #2
This page is part of the FHIR Specification (v3.0.2: STU 3). The current version which supercedes this version is 4.0.1 . For a full list of available versions, see the Directory of published versions

Extension: minLength

FHIR Infrastructure Work Group   Maturity Level : 1 Informative Use Context : Any

URL for this extension:


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

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

The minimum number of characters that must be present in the simple data type to be considered a "valid" instance.

Comment :

For base64binary, reflects the number of characters representing the encoded data, not the number of bytes of the binary data.

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

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

Extension Content

Summary

Name Flags Card. Type Description & Constraints doco
. . extension minLength 0..1 integer URL = http://hl7.org/fhir/StructureDefinition/minLength
minLength: The minimum number of characters that must be present in the simple data type to be considered a "valid" instance.


Use on element: Questionnaire.item, Element ID Questionnaire.item or Element ID ElementDefinition

doco Documentation for this format

Full Structure

Name Flags Card. Type Description & Constraints doco
. . extension 0..1 Extension URL = http://hl7.org/fhir/StructureDefinition/minLength
minLength: The minimum number of characters that must be present in the simple data type to be considered a "valid" instance.


Use on element: Questionnaire.item, Element ID Questionnaire.item or Element ID ElementDefinition
. . . extension I 0..0
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/minLength"
. . valueInteger . value[x] 0..1 I 1..1 integer Value of extension

doco Documentation for this format

XML Template

<!-- minLength -->doco
<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/minLength" >
  <!-- from Element: extension -->
 <

 <valueInteger value="[integer]"/><!-- ?? 1..1 Value of extension -->

</extension>

JSON Template

{ // minLength
  // from Element: extension
    "
    ],

    "extension" : [ //  sliced by value:url  in the specified order, Open ]

    "url" : "http://hl7.org/fhir/StructureDefinition/minLength", // R! 
    "

    "valueInteger" : <integer> // C? R! Value of extension

  }

Summary

Name Flags Card. Type Description & Constraints doco
. . extension minLength 0..1 integer URL = http://hl7.org/fhir/StructureDefinition/minLength
minLength: The minimum number of characters that must be present in the simple data type to be considered a "valid" instance.


Use on element: Questionnaire.item, Element ID Questionnaire.item or Element ID ElementDefinition

doco Documentation for this format

Full Structure

Name Flags Card. Type Description & Constraints doco
. . extension 0..1 Extension URL = http://hl7.org/fhir/StructureDefinition/minLength
minLength: The minimum number of characters that must be present in the simple data type to be considered a "valid" instance.


Use on element: Questionnaire.item, Element ID Questionnaire.item or Element ID ElementDefinition
. . . extension I 0..0
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/minLength"
. . valueInteger . value[x] 0..1 I 1..1 integer Value of extension

doco Documentation for this format

XML Template

<!-- minLength -->doco
<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/minLength" >
  <!-- from Element: extension -->
 <

 <valueInteger value="[integer]"/><!-- ?? 1..1 Value of extension -->

</extension>

JSON Template

{ // minLength
  // from Element: extension
    "
    ],

    "extension" : [ //  sliced by value:url  in the specified order, Open ]

    "url" : "http://hl7.org/fhir/StructureDefinition/minLength", // R! 
    "

    "valueInteger" : <integer> // C? R! 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')]) )
  • 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 )