description: Extension to make a reference to the medication for the immunization. package_name: ch.fhir.ig.ch-vacd derivation: constraint name: CHVACDExtensionImmunizationMedicationReference type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.ch/ig/ch-vacd/StructureDefinition/ch-vacd-ext-immunization-medication-reference'} index: 1 value: choices: [] index: 3 slicing: rules: open ordered: false discriminator: - {path: $this, type: type} min: 1 slices: valueReference: match: {} schema: short: The Reference to the medication belonging to the immunization. mustSupport: true choices: [valueReference] _required: true index: 5 min: 1 max: 1 valueReference: short: The Reference to the medication belonging to the immunization. refers: ['http://fhir.ch/ig/ch-vacd/StructureDefinition/ch-vacd-medication-for-immunization'] type: Reference mustSupport: true choiceOf: value index: 6 slicing: slices: valueReference: match: {} schema: short: The Reference to the medication belonging to the immunization. refers: ['http://fhir.ch/ig/ch-vacd/StructureDefinition/ch-vacd-medication-for-immunization'] type: Reference mustSupport: true _required: true choiceOf: value index: 6 min: 1 max: 1 package_version: 4.0.0-ballot extensions: {} class: extension kind: complex-type url: http://fhir.ch/ig/ch-vacd/StructureDefinition/ch-vacd-ext-immunization-medication-reference base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.0.0-ballot required: [valueReference, value]