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This is a frozen snapshot of the FHIR specification created for the purpose of balloting the GAO implementation Guide. It includes draft changes that may be part of the future DSTU 2.1 release but further change is expected. Readers should focus solely on the GAO implementation content, and FHIR DSTU 2 for other purposes.

• Content
• Detailed Descriptions
• Mappings
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• JSON

Extension: No more than this many characters

URL for this extension:

http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength

Status: draft. Extension maintained by: HL7

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

Context of Use: Use on element: Questionnaire.item, Questionnaire.item.item

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

Extension Content

• Summary
• Full Structure
• XML
• JSON
• All

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	integer	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength No more than this many characters: The maximum number of characters that must be present in the simple data type to be considered a "valid" instance. Use on element: Questionnaire.item, Questionnaire.item.item
Documentation for this format

Fulle Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength No more than this many characters: The maximum number of characters that must be present in the simple data type to be considered a "valid" instance. Use on element: Questionnaire.item, Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength"
valueInteger		1..1	integer	Value of extension
Documentation for this format

XML Template

<!-- No more than this many characters -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength" >
  <!-- from Element: extension -->
 <valueInteger value="[integer]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // No more than this many characters
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength", // R! 
    "valueInteger" : <integer> // R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	integer	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength No more than this many characters: The maximum number of characters that must be present in the simple data type to be considered a "valid" instance. Use on element: Questionnaire.item, Questionnaire.item.item
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength No more than this many characters: The maximum number of characters that must be present in the simple data type to be considered a "valid" instance. Use on element: Questionnaire.item, Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength"
valueInteger		1..1	integer	Value of extension
Documentation for this format

XML Template

<!-- No more than this many characters -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength" >
  <!-- from Element: extension -->
 <valueInteger value="[integer]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // No more than this many characters
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-maxLength", // R! 
    "valueInteger" : <integer> // R! Value of extension
  }

Constraints

• inv-12: Maximum length can only be declared for simple question types (xpath: parent::*/f:type/@value=('boolean', 'decimal', 'integer', 'open-choice', 'string', 'text', 'url'))