description: This profile constrains a MessageHeader resource for use in a Specialty Rx unsolicited query response bundle. A Parameters resource is the focus. package_name: hl7.fhir.us.specialty-rx derivation: constraint name: SpecialtyRxMessageHeaderQueryResponseUnsolicited type: MessageHeader elements: eventCoding: mustSupport: true index: 0 elements: system: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/specialty-rx/CodeSystem/specialty-rx-event-type'} mustSupport: true index: 1 code: pattern: {type: Code, value: query-response-unsolicited} mustSupport: true index: 2 required: [system, code] focus: type: Reference mustSupport: true refers: ['http://hl7.org/fhir/us/specialty-rx/StructureDefinition/specialty-rx-parameters-query-response-unsolicited'] index: 3 slicing: slices: parameters: match: {} schema: type: Reference mustSupport: true refers: ['http://hl7.org/fhir/us/specialty-rx/StructureDefinition/specialty-rx-parameters-query-response-unsolicited'] _required: true index: 3 min: 1 max: 1 package_version: 0.1.0 class: profile kind: resource url: http://hl7.org/fhir/us/specialty-rx/StructureDefinition/specialty-rx-messageheader-query-response-unsolicited base: http://hl7.org/fhir/StructureDefinition/MessageHeader version: 0.1.0 required: [eventCoding, focus]