description: Extension used to CC updates to the ServiceRequest in cases of forwarding referrals package_name: ca.infoway.io.erec derivation: constraint name: CopiedParticipants type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/CA-eReC-copied-participants-EXT'} index: 1 value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/CA-eReC-PractitionerRole'] index: 4 value[x]: elements: reference: {mustSupport: true, index: 5} identifier: mustSupport: true index: 6 elements: system: {mustSupport: true, index: 7} value: {mustSupport: true, index: 8} required: [value, system] package_version: 1.1.1-dft-ballot extensions: {} class: extension kind: complex-type url: http://fhir.infoway-inforoute.ca/io/CA-eReC/StructureDefinition/CA-eReC-copied-participants-EXT base: http://hl7.org/fhir/StructureDefinition/Extension version: null