description: This extension allows to indicate when the procedure was performed as Timing. package_name: hl7.eu.fhir.pcsp derivation: constraint name: PerformedTiming type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.eu/fhir/ig/pcsp/StructureDefinition/procedure-performedTiming'} index: 1 value: choices: [valueTiming] index: 3 valueTiming: {type: Timing, choiceOf: value, index: 4} package_version: 0.1.0 extensions: {} class: extension kind: complex-type url: http://hl7.eu/fhir/ig/pcsp/StructureDefinition/procedure-performedTiming base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.1.0