Data Types
Expression
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.
Properties
Name | Required | Type | Description |
---|---|---|---|
id | No | string | Unique id for inter-element referencing |
extension | No | Extension[] | Additional content defined by implementations |
description | No | string | Natural language description of the condition |
name | No | id | Short name assigned to expression for reuse |
language | Yes | code | text/cql / text/fhirpath / application/x-fhir-query / etc. |
expression | No | string | Expression in specified language |
reference | No | uri | Where the expression is found |