constraint

constraint

draftFHIR Core package4.3.03 contexts

An invariant that must be satisfied before responses to the questionnaire can be considered "complete".

Metadata

hl7.org/fhir
Canonical URL
http://hl7.org/fhir/StructureDefinition/questionnaire-constraint
ID
questionnaire-constraint
Name
constraint

Context (3)

This extension can be used on the following elements:

elementQuestionnaire
elementQuestionnaire.item
elementQuestionnaire.item.item
PathCard.TypeFlagsDescription
Extension0..*
Constraint
:key1..1
Extension
Unique identifier
extension
url
uri
fixed: key
value[x]
id
:requirements0..1
Extension
Why needed
extension
url
uri
fixed: requirements
value[x]
string
:severity1..1
Extension
error|warning
extension
url
uri
fixed: severity
value[x]
code
required
:expression1..1
Extension
Formal rule
extension
url
uri
fixed: expression
value[x]
string
:human1..1
Extension
Human-readable rule
extension
url
uri
fixed: human
value[x]
string
:location0..*
Extension
Relative path to elements
extension
url
uri
fixed: location
value[x]
string
url
fixed: http://hl7.org/fhir/StructureDefinition/questionnaire-constraint
value[x]0..0