description: Extension to represent the changed MedicationStatement package_name: ch.fhir.ig.ch derivation: constraint name: CHEMEDExtMedicationStatementChanged type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed'} index: 1 value: short: The changed MedicationStatement choices: [valueReference] index: 3 valueReference: type: Reference short: The changed MedicationStatement choiceOf: value refers: ['http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-medicationstatement-changed'] index: 4 package_version: emed-5.0.0 extensions: {} class: extension kind: complex-type url: http://fhir.ch/ig/ch-emed/StructureDefinition/ch-emed-ext-medicationstatement-changed base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.0.0 required: [valueReference, value]