description: This extension represents if it is the primary contact. package_name: rs/ch.fhir.ig.ch derivation: constraint name: ChEpregExtPrimaryContact type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-ext-primary-contact'} type: uri index: 1 value: choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, choiceOf: value, index: 4} package_version: epreg-1.0.0-ballot extensions: {} class: extension kind: complex-type url: http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-ext-primary-contact base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot required: [value, valueBoolean]