{ "description": null, "_filename": "Extension-DataStandardsWales-DocumentVersion.json", "package_name": "fhir.r4.wales.test", "date": "2025-09-23", "derivation": "constraint", "publisher": "NHS Wales", "fhirVersion": "4.0.1", "name": "ExtensionDataStandardsWalesDocumentVersion", "abstract": false, "copyright": "2025 NHS Wales", "type": "Extension", "experimental": "true", "resourceType": "StructureDefinition", "title": "Extension Data Standards Wales Document Version", "package_version": "2.3.0", "status": "draft", "id": "db861509-62c3-4709-9952-c3b356e75cc6", "kind": "complex-type", "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.version", "context": [ { "type": "element", "expression": "DocumentReference" } ], "version": "0.0.1", "differential": { "element": [ { "id": "Extension", "path": "Extension", "short": "An explicitly assigned identifer of a variation of the content in the DocumentReference.", "definition": "This is a business version identifier, not a resource version id. It can be used to store the SetSequenceNumber of a document from the Welsh Care Records Service. (Backport from FHIR R5.)" }, { "id": "Extension.extension", "max": "0", "path": "Extension.extension" }, { "id": "Extension.url", "path": "Extension.url", "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.version" }, { "id": "Extension.value[x]", "path": "Extension.value[x]", "type": [ { "code": "string" } ] } ] }, "contact": [ { "name": "FHIR Standards", "telecom": [ { "use": "work", "rank": 1, "value": "fhir.standards@wales.nhs.uk", "system": "email" } ] } ], "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension" }