description: null package_name: fhir.trustedhealthapps.org derivation: constraint name: HealthAppHandbook type: Extension elements: url: pattern: {type: uri, value: 'https://fhir.trustedhealthapps.org/StructureDefinition/HealthAppHandbook'} type: uri index: 0 value: choices: [valueAttachment] index: 2 valueAttachment: {type: Attachment, choiceOf: value, index: 3} package_version: 1.1.0 class: extension kind: complex-type url: https://fhir.trustedhealthapps.org/StructureDefinition/HealthAppHandbook base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0