description: A profile that defines a MessageHeader structure used for PSOM messaging. package_name: fhir.r4.wales.psom derivation: constraint name: DataStandardsWalesPSOMMessageHeader type: MessageHeader elements: event: choices: [eventCoding] index: 1 eventCoding: {type: Coding, choiceOf: event, index: 2} response: index: 3 elements: identifier: {index: 4} details: {index: 5} focus: type: Reference refers: ['https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PSOM-CarePlan', 'https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PSOM-QuestionnaireResponse', 'https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PSOM-Task', 'https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Patient'] index: 6 definition: {type: canonical, index: 7} package_version: 1.0.0-rc3 class: profile kind: resource url: https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PSOM-MessageHeader base: https://fhir.hl7.org.uk/StructureDefinition/UKCore-MessageHeader version: null