Expression
Expression
draftComplex Type8 elementsv4.0.1
Base StructureDefinition for Expression Type: A expression that is evaluated in a specified context and returns a value. The context of use of the expression must specify the context in which the expression is evaluated, and how the result of the expression is used.
Metadata
hl7.org/fhir- Canonical URL
- http://hl7.org/fhir/StructureDefinition/Expression
- ID
- Expression
- Type
- Base Definition
- Derivation
- specialization
- Publisher
- HL7 FHIR Standard
- Version
- 4.0.1
| Path | Card. | Type | Description |
|---|---|---|---|
Expression | 0..* | An expression that can be used to generate a value | |
id | 0..1 | string | Unique id for inter-element referencing |
extension | 0..* | Additional content defined by implementations | |
description | 0..1 | string | Natural language description of the condition |
name | 0..1 | id | Short name assigned to expression for reuse |
language | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc.extensible: expression-language |
expression | 0..1 | string | Expression in specified language |
reference | 0..1 | uri | Where the expression is found |