description: Detailed information about when and why a member opted out package_name: hl7.fhir.us.davinci-pdex derivation: constraint name: OptOutDetails type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/davinci-pdex/StructureDefinition/opt-out-details'} index: 1 value: short: Details about the member's opt-out decision choices: [valueString] index: 3 valueString: {type: string, short: Details about the member's opt-out decision, choiceOf: value, index: 4} package_version: 2.2.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/davinci-pdex/StructureDefinition/opt-out-details base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.2.0 required: [valueString, value]