description: 'This is an extension that is intended for use in ServiceRequest.performer to capture the role of the performer. \r\nContext: ServiceRequest.performer' package_name: ca.ab.fhir.aberec1 derivation: constraint name: PerformerRole type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://www.alberta.ca/fhir/aberec/StructureDefinition/ext-PerformerRole'} index: 1 value: mustSupport: true choices: [valueCodeableConcept] index: 3 valueCodeableConcept: {type: CodeableConcept, mustSupport: true, choiceOf: value, index: 4} package_version: 1.1.0-pre3 extensions: {} class: extension kind: complex-type url: https://www.alberta.ca/fhir/aberec/StructureDefinition/ext-PerformerRole base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.4 required: [value, valueCodeableConcept]