description: This cross-version extension represents AuditEvent.agent.altId from http://hl7.org/fhir/StructureDefinition/AuditEvent|3.0.2 for use in FHIR R5. package_name: hl7.fhir.uv.xver derivation: constraint name: Ext_R3_AuditEvent_ag_altId type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-AuditEvent.agent.altId'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Alternative User id e.g. authentication choices: [valueString] index: 2 valueString: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: string short: Alternative User id e.g. authentication choiceOf: value index: 3 package_version: r3.r5-0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-AuditEvent.agent.altId base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.0.1-snapshot-2 required: [url]