description: This extension describes the ItemNumber (Laufnummer). package_name: ch.fhir.ig.ch-alis-connect derivation: constraint name: ChAlisExtensionItemNumber type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.ch/ig/ch-alis-connect/StructureDefinition/ch-alis-connect-ext-itemnumber'} index: 1 value: choices: [] index: 3 slicing: rules: open ordered: false discriminator: - {path: $this, type: type} min: 1 slices: valueString: match: {} schema: short: ItemNumber choices: [valueString] _required: true index: 5 min: 1 max: 1 valueString: short: ItemNumber type: string choiceOf: value index: 6 slicing: slices: valueString: match: {} schema: {short: ItemNumber, type: string, _required: true, choiceOf: value, index: 6} min: 1 max: 1 package_version: 1.0.0-ballot extensions: {} class: extension kind: complex-type url: http://fhir.ch/ig/ch-alis-connect/StructureDefinition/ch-alis-connect-ext-itemnumber base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot required: [valueString, value]