description: Timeout in seconds to attempt notification delivery. package_name: hl7.fhir.uv.subscriptions-backport derivation: constraint name: BackportTimeout type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/subscriptions-backport/StructureDefinition/backport-timeout'} index: 1 value: short: Timeout in seconds to attempt notification delivery choices: [valueUnsignedInt] index: 3 valueUnsignedInt: {type: unsignedInt, short: Timeout in seconds to attempt notification delivery, choiceOf: value, index: 4} package_version: 1.1.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/uv/subscriptions-backport/StructureDefinition/backport-timeout base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0