description: null package_name: ca.on.ehr.r4 derivation: constraint name: Note type: Extension elements: url: pattern: {type: Uri, value: 'http://ontariohealth.ca/fhir/StructureDefinition/ca-on-accdr-ext-note'} index: 0 value: choices: [valueString] index: 2 valueString: {type: string, choiceOf: value, index: 3} package_version: 1.0.0-snapshot1 class: extension kind: complex-type url: http://ontariohealth.ca/fhir/StructureDefinition/ca-on-accdr-ext-note base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [valueString, value]