http://hl7.org/fhir/StructureDefinition/alternate-reference|5.2.0
Used when the target of the reference has a type that is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions.
description: Used when the target of the reference has a type that is not allowed by the definition of the element. In general, this should only arise when wrangling between versions using cross-version extensions. derivation: constraint name: AlternateReference type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/alternate-reference'} index: 1 value: choices: [] index: 3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/alternate-reference base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0 required: [value]