description: Indicates whether the use of a destination in a MedCom message header is as a primary or a carbon copy recipient of the message package_name: medcom.fhir.dk.messaging derivation: constraint name: MedComMessagingDestinationUseExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://medcomfhir.dk/ig/messaging/StructureDefinition/medcom-messaging-destinationUseExtension'} index: 1 value: choices: [valueCoding] index: 3 valueCoding: {type: Coding, choiceOf: value, index: 4} value[x]: elements: system: pattern: {type: Uri, value: 'http://medcomfhir.dk/ig/terminology/CodeSystem/medcom-messaging-destinationUse'} index: 5 package_version: 2.2.1 extensions: {} class: extension kind: complex-type url: http://medcomfhir.dk/ig/messaging/StructureDefinition/medcom-messaging-destinationUseExtension base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.2.1 required: [valueCoding, value]