| MessageHeader | | 0..* |
| MessageHeader.id | id | 1..1 |
| MessageHeader.meta | Meta | 0..1 |
| MessageHeader.implicitRules | uri | 0..1 |
| MessageHeader.language | code | 0..1 |
| MessageHeader.text | Narrative | 0..1 |
| MessageHeader.contained | Resource | 0..* |
| MessageHeader.extension | Extension | 0..* |
| MessageHeader.extension:eventMessageType | Extension | 1..1 |
| MessageHeader.modifierExtension | Extension | 0..* |
| MessageHeader.event | Coding | 1..1 |
| MessageHeader.event.id | string | 0..1 |
| MessageHeader.event.extension | Extension | 0..* |
| MessageHeader.event.system | uri | 1..1 |
| MessageHeader.event.version | string | 0..1 |
| MessageHeader.event.code | code | 1..1 |
| MessageHeader.event.display | string | 1..1 |
| MessageHeader.event.userSelected | boolean | 0..1 |
| MessageHeader.destination | BackboneElement | 0..1 |
| MessageHeader.destination.id | string | 0..1 |
| MessageHeader.destination.extension | Extension | 0..* |
| MessageHeader.destination.modifierExtension | Extension | 0..* |
| MessageHeader.destination.name | string | 0..1 |
| MessageHeader.destination.target | Reference(Device) | 0..1 |
| MessageHeader.destination.target.id | string | 0..1 |
| MessageHeader.destination.target.extension | Extension | 0..* |
| MessageHeader.destination.target.reference | string | 0..1 |
| MessageHeader.destination.target.identifier | Identifier | 0..1 |
| MessageHeader.destination.target.display | string | 0..1 |
| MessageHeader.destination.endpoint | uri | 1..1 |
| MessageHeader.receiver | Reference(CareConnect-Organization-1 | EMS-HealthcareService-1) | 0..0 |
| MessageHeader.receiver.id | string | 0..1 |
| MessageHeader.receiver.extension | Extension | 0..* |
| MessageHeader.receiver.reference | string | 1..1 |
| MessageHeader.receiver.identifier | Identifier | 0..1 |
| MessageHeader.receiver.display | string | 0..1 |
| MessageHeader.sender | Reference(CareConnect-Organization-1) | 0..1 |
| MessageHeader.sender.id | string | 0..1 |
| MessageHeader.sender.extension | Extension | 0..* |
| MessageHeader.sender.reference | string | 0..1 |
| MessageHeader.sender.identifier | Identifier | 0..1 |
| MessageHeader.sender.display | string | 0..1 |
| MessageHeader.timestamp | instant | 1..1 |
| MessageHeader.enterer | Reference(CareConnect-Organization-1) | 0..0 |
| MessageHeader.enterer.id | string | 0..1 |
| MessageHeader.enterer.extension | Extension | 0..* |
| MessageHeader.enterer.reference | string | 0..1 |
| MessageHeader.enterer.identifier | Identifier | 0..1 |
| MessageHeader.enterer.display | string | 0..1 |
| MessageHeader.author | Reference(CareConnect-Organization-1) | 0..0 |
| MessageHeader.author.id | string | 0..1 |
| MessageHeader.author.extension | Extension | 0..* |
| MessageHeader.author.reference | string | 0..1 |
| MessageHeader.author.identifier | Identifier | 0..1 |
| MessageHeader.author.display | string | 0..1 |
| MessageHeader.source | BackboneElement | 1..1 |
| MessageHeader.source.id | string | 0..1 |
| MessageHeader.source.extension | Extension | 0..* |
| MessageHeader.source.modifierExtension | Extension | 0..* |
| MessageHeader.source.name | string | 0..1 |
| MessageHeader.source.software | string | 0..1 |
| MessageHeader.source.version | string | 0..1 |
| MessageHeader.source.contact | ContactPoint | 0..1 |
| MessageHeader.source.contact.id | string | 0..1 |
| MessageHeader.source.contact.extension | Extension | 0..* |
| MessageHeader.source.contact.system | code | 0..1 |
| MessageHeader.source.contact.value | string | 0..1 |
| MessageHeader.source.contact.use | code | 0..1 |
| MessageHeader.source.contact.rank | positiveInt | 0..1 |
| MessageHeader.source.contact.period | Period | 0..1 |
| MessageHeader.source.contact.period.id | string | 0..1 |
| MessageHeader.source.contact.period.extension | Extension | 0..* |
| MessageHeader.source.contact.period.start | dateTime | 0..1 |
| MessageHeader.source.contact.period.end | dateTime | 0..1 |
| MessageHeader.source.endpoint | uri | 1..1 |
| MessageHeader.responsible | Reference(CareConnect-Organization-1) | 1..1 |
| MessageHeader.responsible.id | string | 0..1 |
| MessageHeader.responsible.extension | Extension | 0..* |
| MessageHeader.responsible.reference | string | 1..1 |
| MessageHeader.responsible.identifier | Identifier | 0..1 |
| MessageHeader.responsible.display | string | 0..1 |
| MessageHeader.reason | CodeableConcept | 0..0 |
| MessageHeader.reason.id | string | 0..1 |
| MessageHeader.reason.extension | Extension | 0..* |
| MessageHeader.reason.coding | Coding | 0..* |
| MessageHeader.reason.coding.id | string | 0..1 |
| MessageHeader.reason.coding.extension | Extension | 0..* |
| MessageHeader.reason.coding.system | uri | 0..1 |
| MessageHeader.reason.coding.version | string | 0..1 |
| MessageHeader.reason.coding.code | code | 0..1 |
| MessageHeader.reason.coding.display | string | 0..1 |
| MessageHeader.reason.coding.userSelected | boolean | 0..1 |
| MessageHeader.reason.text | string | 0..1 |
| MessageHeader.response | BackboneElement | 0..0 |
| MessageHeader.response.id | string | 0..1 |
| MessageHeader.response.extension | Extension | 0..* |
| MessageHeader.response.modifierExtension | Extension | 0..* |
| MessageHeader.response.identifier | id | 1..1 |
| MessageHeader.response.code | code | 1..1 |
| MessageHeader.response.details | Reference(OperationOutcome) | 0..1 |
| MessageHeader.response.details.id | string | 0..1 |
| MessageHeader.response.details.extension | Extension | 0..* |
| MessageHeader.response.details.reference | string | 0..1 |
| MessageHeader.response.details.identifier | Identifier | 0..1 |
| MessageHeader.response.details.display | string | 0..1 |
| MessageHeader.focus | Reference(Resource | CareConnect-Encounter-1 | EMS-Communication-1) | 1..1 |
| MessageHeader.focus.id | string | 0..1 |
| MessageHeader.focus.extension | Extension | 0..* |
| MessageHeader.focus.reference | string | 1..1 |
| MessageHeader.focus.identifier | Identifier | 0..1 |
| MessageHeader.focus.display | string | 0..1 |