description: Extension used to CC updates to the ServiceRequest package_name: rs/ca.on.ehr.r4 derivation: constraint name: CopiedParticipants type: Extension elements: url: pattern: {type: uri, value: 'http://ontariohealth.ca/StructureDefinition/oh-ehr-copied-participants-EXT'} type: uri index: 0 value: choices: [valueReference] index: 2 valueReference: type: Reference choiceOf: value refers: ['http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-practitioner', 'http://ontariohealth.ca/fhir/ehr/StructureDefinition/profile-practitionerRole'] index: 3 value[x]: elements: reference: {mustSupport: true, index: 4} identifier: mustSupport: true index: 5 elements: system: {mustSupport: true, index: 6} value: {mustSupport: true, index: 7} required: [system, value] package_version: 1.0.0-snapshot6 class: extension kind: complex-type url: http://ontariohealth.ca/StructureDefinition/oh-ehr-copied-participants-EXT base: http://hl7.org/fhir/StructureDefinition/Extension version: null