description: 'Provides an alternate expression containing the compiled JSON ELM for an expression. (**NOTE**: The expectation is that this extension will transition to the core extensions pack)'
package_name: hl7.fhir.us.davinci-dtr
derivation: constraint
name: AlternativeExpression
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression'}
    type: uri
    index: 1
  value:
    short: Alternate expression containing compiled JSON ELM.
    choices: [valueExpression]
    index: 3
  valueExpression: {type: Expression, short: Alternate expression containing compiled JSON ELM., choiceOf: value, index: 4}
package_version: 2.2.0-ballot
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 2.2.0-ballot
required: [value, valueExpression]