FHIR Mapping Language (FML)
0.1.0 - STU 1 World

FHIR Mapping Language (FML), published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/mapping-language-ig/ and changes regularly. See the Directory of published versions

StructureMap: TargetSubelement

Official URL: http://hl7.org/fhir/uv/mapping-language/StructureMap/TargetSubelement Version:
Standards status: Informative Computable Name: TargetSubelement

Example demonstrating target sub-element access using dot notation

/// url = 'http://hl7.org/fhir/uv/mapping-language/StructureMap/TargetSubelement'
/// name = 'TargetSubelement'
/// status = 'active'
/// description = 'Example demonstrating target sub-element access using dot notation'

uses "http://hl7.org/fhir/StructureDefinition/Observation" as source
uses "http://hl7.org/fhir/StructureDefinition/Observation" as target

group TargetSubelement(source src : Observation, target tgt : Observation) {
  // directly access sub-element without intermediate variable
  // This demonstration will swap the first component's value and the observation's value
  src.value -> tgt.component.value;
  src.component.value first -> tgt.value "value";
}