{ "description": null, "_filename": "Extension-DataStandardsWales-UECExpectedtimeOfTreatment.json", "package_name": "fhir.r4.wales", "date": "2025-09-18", "derivation": "constraint", "publisher": "NHS Wales", "fhirVersion": "4.0.1", "name": "ExtensionDataStandardsWalesUECExpectedTimeOfTreatment", "abstract": false, "copyright": "2025 NHS Wales", "type": "Extension", "experimental": null, "resourceType": "StructureDefinition", "title": "Extension Data Standards Wales UEC Expected Time Of Treatment", "package_version": "2.3.0", "status": "draft", "id": "9ab15af4-e770-484b-aeff-74dd682e72a7", "kind": "complex-type", "url": "https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-UEC-ExpectedTimeOfTreatment", "context": [ { "type": "element", "expression": "Encounter" } ], "version": "0.0.1", "differential": { "element": [ { "id": "Extension.url", "path": "Extension.url", "fixedUri": "https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-UEC-ExpectedTimeOfTreatment" }, { "id": "Extension.value[x]", "path": "Extension.value[x]", "type": [ { "code": "dateTime" } ] } ] }, "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension" }