description: Indicates the types of named events to subscribe to from the EHR. package_name: hl7.fhir.us.ecr derivation: constraint name: USPublicHealthNamedEventType type: Extension elements: url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-namedEventType'} index: 0 value: choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 3} package_version: 1.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-namedEventType base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0