description: This Extension profile represents the maximum time the sender has to wait to get a response, beyond which the message is assumed to have failed to reach the destination. package_name: hl7.fhir.us.ph-library derivation: constraint name: USPublicHealthExpectedResponseTimeExtension type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-expected-response-time-extension'} type: uri index: 1 value: short: Response Expected in Duration. choices: [valueDuration] index: 3 valueDuration: {type: Duration, short: Response Expected in Duration., choiceOf: value, index: 4} package_version: 2.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-expected-response-time-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0-ballot required: [value, valueDuration]