description: The Endpoint Compression extension is used to signify if the message recipient is able to receive compressed data. This will translate to 'Compressed' or 'Uncompressed' respectively. Compression reduces bandwidth requirements and can reduce messaging delays and/or failure. package_name: fhir.r4.nhsengland.programme derivation: constraint name: ExtensionEnglandEndpointCompression type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'https://fhir.nhs.uk/England/StructureDefinition/Extension-England-EndpointCompression'} type: uri index: 1 value: short: Indicates if endpoint supports compressed data choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, short: Indicates if endpoint supports compressed data, choiceOf: value, index: 4} package_version: 0.2.2-pre-release extensions: {} class: extension kind: complex-type url: https://fhir.nhs.uk/England/StructureDefinition/Extension-England-EndpointCompression base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.1.0 required: [value, valueBoolean]