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definition

A definition is one of the library-level declarations available in CQL. Each definition introduces a named artifact that can be referenced elsewhere.

Examples

Model import

using FHIR version '4.0.1'

Library include

include FHIRHelpers version '4.0.1' called FHIRHelpers

Value set declaration

valueset "Diabetes Mellitus": 'http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.3.464.1003.103.12.1001'

Parameter declaration

parameter "Measurement Period" Interval<DateTime>

Railroad Diagram

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EBNF

definition
  : usingDefinition
  | includeDefinition
  | codesystemDefinition
  | valuesetDefinition
  | codeDefinition
  | conceptDefinition
  | parameterDefinition
  ;

Used In

library