description: This MessageHeader resource is constrained to represent a message header for an event message. package_name: fhir.graphnethealth.com.Base.R3 derivation: constraint name: Beacon-Event-MessageHeader type: MessageHeader elements: response: {index: 29} enterer: {index: 17} author: {index: 18} reason: {index: 28} responsible: type: Reference refers: ['http://hl7.org/fhir/StructureDefinition/Organization'] index: 19 elements: reference: {index: 20} identifier: elements: use: {index: 21} type: {index: 22} system: {index: 23} value: {index: 24} period: {index: 25} assigner: {index: 26} required: [system, value] display: {index: 27} required: [display] extension: index: 1 slicing: rules: open discriminator: - {path: url, type: value} min: null slices: eventMode: match: {url: null} schema: {type: Extension, url: h, index: 2} min: 1 max: 1 event: index: 3 elements: system: {index: 4} code: {index: 5} display: {index: 6} userSelected: {index: 7} required: [code, display, system] id: {index: 0} sender: type: Reference refers: ['http://hl7.org/fhir/StructureDefinition/Organization'] index: 10 elements: reference: {index: 11} identifier: elements: use: {index: 12} type: {index: 13} period: {index: 14} assigner: {index: 15} display: {index: 16} required: [display] focus: {index: 30} receiver: {index: 9} destination: {index: 8} package_version: 0.0.4 extensions: eventMode: {url: h, min: 1, max: 1, type: Extension, index: 2} class: profile kind: resource url: https://fhir.graphnethealth.com/STU3/StructureDefinition/Beacon-Event-MessageHeader base: http://hl7.org/fhir/StructureDefinition/MessageHeader version: 1.0.1 required: [focus, id, responsible, sender]