map "http://va.gov/fhir/StructureMap/amplPatientMap" = amplPatientMap uses "http://va.gov/fhir/StructureDefinition/VistaAmplPatientExport" alias PatientInput as source uses "http://hl7.org/fhir/StructureDefinition/Patient" alias PatientOutput as target group tutorial(source src : PatientInput, target tgt : PatientOutput) { src.name as a -> tgt.name as name, name.text = a; src.icn as a -> tgt.identifier as id, id.value = a; src.icn as a -> tgt.identifier as id collate, id.system = 'http://va.gov/fhir/identifiers/ICNroot'; }