description: null package_name: uk.nhsdigital.medicines.r4 derivation: constraint name: Extension-DispensingPerformer type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.nhs.uk/StructureDefinition/Extension-DM-DispensingPerformer'} index: 0 value: choices: [valueReference] index: 2 valueReference: type: Reference choiceOf: value refers: ['https://fhir.nhs.uk/StructureDefinition/Spine-PractitionerRole'] index: 3 package_version: 2.0.20-alpha class: extension kind: complex-type url: https://fhir.nhs.uk/StructureDefinition/Extension-DM-DispensingPerformer base: http://hl7.org/fhir/StructureDefinition/Extension version: null