{"abstract":false,"baseDefinition":"http://hl7.org/fhir/StructureDefinition/DataType","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/fiwg"}]}],"date":"2026-03-31T17:06:59+00:00","derivation":"specialization","description":"Expression Type: A expression that is evaluated in a specified context and returns a value. 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\r\n\r\n\r\n\r\n\r\n\r\n
NameFlagsCard.TypeDescription & Constraints\"doco\"
\".\"\".\" ExpressionΣNElementAn expression that can be used to generate a value
+ Rule: An expression or a reference must be provided
+ Rule: The name must be a valid variable name in most computer languages

Elements defined in Ancestors: id, extension
\".\"\".\"\".\" descriptionΣ0..1stringNatural language description of the condition
\".\"\".\"\".\" nameΣC0..1codeShort name assigned to expression for reuse
\".\"\".\"\".\" languageΣ0..1codetext/cql | text/fhirpath | application/x-fhir-query | etc.
Binding: Expression Language (Extensible)
Additional BindingsPurpose
Mime TypesMax Binding

\".\"\".\"\".\" expressionΣC0..1stringExpression in specified language
\".\"\".\"\".\" referenceΣC0..1uriWhere the expression is found

\"doco\" Documentation for this format
","status":"generated"},"type":"Expression","url":"http://hl7.org/fhir/StructureDefinition/Expression","version":"6.0.0-ballot4"}