Expression
Data typeTrial use
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.
Structure
| Element | Card. | Type | Description |
|---|---|---|---|
id | 0..1 | string | Unique id for inter-element referencing |
extension | 0..* | Extension | Additional content defined by implementations |
descriptionΣ | 0..1 | string | Natural language description of the condition |
nameΣ | 0..1 | id | Short name assigned to expression for reuse |
languageRequiredΣ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc.Binding (extensible): expression-language |
expressionΣ | 0..1 | string | Expression in specified language |
referenceΣ | 0..1 | uri | Where the expression is found |
Σ in _summary results · ?! modifier element · 1.. required · inherited elements in grey