description: Profiles marked to be 'Obligation Profiles' cannot introduce new structural elements or slicing, but they can change the cardinality, add additional bindings, and additional obligations on the elements that are already defined package_name: hl7.fhir.uv.extensions.r4b derivation: constraint name: ObligationProfileFlag type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/obligation-profile-flag'} index: 1 value: choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, choiceOf: value, index: 4} package_version: 5.3.0-ballot-tc1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/obligation-profile-flag base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc1 required: [value, valueBoolean]