This page is part of the FHIR Specification (v4.4.0: R5 Preview #2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4
FHIR Infrastructure Work Group | Maturity Level: 1 | Informative | Use Context: Any |
URL for this extension:
http://hl7.org/fhir/StructureDefinition/cqf-expression
Status: draft. Extension maintained by: Health Level Seven, Inc. - CDS WG
An expression that, when evaluated, provides the value for the element on which it appears.
Context of Use: Use on Element ID Element
Summary
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
expression | 0..* | Expression | URL = http://hl7.org/fhir/StructureDefinition/cqf-expression expression: An expression that, when evaluated, provides the value for the element on which it appears. Use on Element ID Element | |
Documentation for this format |
Full Structure
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
extension | 0..* | Extension | URL = http://hl7.org/fhir/StructureDefinition/cqf-expression expression: An expression that, when evaluated, provides the value for the element on which it appears. Use on Element ID Element | |
extension | I | 0..0 | ||
url | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/cqf-expression" | |
value[x] | I | 1..1 | Expression | Value of extension |
Documentation for this format |
XML Template
<!-- expression --> <extension xmlns="http://hl7.org/fhir" url="http://hl7.org/fhir/StructureDefinition/cqf-expression" > <!-- from Element: extension --> <valueExpression><!-- 1..1 Expression Value of extension --></valueExpression> </extension>
JSON Template
{ // expression // from Element: extension "extension" : [ // sliced by value:url in the specified order, Open ] "url" : "http://hl7.org/fhir/StructureDefinition/cqf-expression", // R! "valueExpression" : { Expression } // C? R! Value of extension }
Summary
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
expression | 0..* | Expression | URL = http://hl7.org/fhir/StructureDefinition/cqf-expression expression: An expression that, when evaluated, provides the value for the element on which it appears. Use on Element ID Element | |
Documentation for this format |
Full Structure
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
extension | 0..* | Extension | URL = http://hl7.org/fhir/StructureDefinition/cqf-expression expression: An expression that, when evaluated, provides the value for the element on which it appears. Use on Element ID Element | |
extension | I | 0..0 | ||
url | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/cqf-expression" | |
value[x] | I | 1..1 | Expression | Value of extension |
Documentation for this format |
XML Template
<!-- expression --> <extension xmlns="http://hl7.org/fhir" url="http://hl7.org/fhir/StructureDefinition/cqf-expression" > <!-- from Element: extension --> <valueExpression><!-- 1..1 Expression Value of extension --></valueExpression> </extension>
JSON Template
{ // expression // from Element: extension "extension" : [ // sliced by value:url in the specified order, Open ] "url" : "http://hl7.org/fhir/StructureDefinition/cqf-expression", // R! "valueExpression" : { Expression } // C? R! Value of extension }
Constraints