description: This cross-version extension represents AuditEvent.source.site from http://hl7.org/fhir/StructureDefinition/AuditEvent|4.3.0 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r4b.r5 derivation: constraint name: Ext_R4B_AuditEvent_so_site type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-AuditEvent.source.site'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Logical source location within the enterprise choices: [valueString] index: 2 valueString: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: string short: Logical source location within the enterprise choiceOf: value index: 3 package_version: 0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/4.3/StructureDefinition/extension-AuditEvent.source.site base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.0.1-snapshot-2 required: [url]