{
  "description": "The Organization Endpoint Order extension is used to provide a priority ranking for endpoints associated with an Organization resource, allowing systems to determine the preferred order of endpoint usage.",
  "_filename": "Extension-England-OrganizationEndpointOrder.json",
  "package_name": "fhir.r4.nhsengland.programme",
  "date": "2025-07-21",
  "derivation": "constraint",
  "publisher": "NHS England",
  "fhirVersion": "4.0.1",
  "purpose": "This extension is a Directory of Service (DoS) use case, Enables prioritization of multiple endpoints for an Organization, supporting scenarios where organizations have multiple communication channels or services that need to be accessed in a specific order of preference.",
  "name": "ExtensionEnglandOrganizationEndpointOrder",
  "abstract": false,
  "copyright": "Copyright © 2025+ HL7 UK Licensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html.",
  "type": "Extension",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": "Extension England Organization Endpoint Order",
  "package_version": "0.2.2-pre-release",
  "status": "draft",
  "id": "be7ae39c-4729-4c8a-b2b0-d119382d2eb0",
  "kind": "complex-type",
  "url": "https://fhir.nhs.uk/England/StructureDefinition/Extension-England-OrganizationEndpointOrder",
  "context": [ {
    "type": "element",
    "expression": "Endpoint"
  } ],
  "version": "0.1.0",
  "differential": {
    "element": [ {
      "id": "Extension",
      "max": "1",
      "path": "Extension"
    }, {
      "id": "Extension.extension",
      "max": "0",
      "path": "Extension.extension"
    }, {
      "id": "Extension.url",
      "path": "Extension.url",
      "fixedUri": "https://fhir.nhs.uk/England/StructureDefinition/Extension-England-OrganizationEndpointOrder"
    }, {
      "id": "Extension.value[x]",
      "min": 1,
      "path": "Extension.value[x]",
      "type": [ {
        "code": "integer"
      } ],
      "short": "Priority order for the endpoint",
      "constraint": [ {
        "key": "nhse-endp-001",
        "human": "Endpoint order must be a positive integer",
        "severity": "error",
        "expression": "value.integer > 0"
      } ],
      "definition": "An integer value representing the priority order of this endpoint relative to other endpoints for the same organization. Lower numbers indicate higher priority (e.g., 1 = highest priority, 2 = second priority, etc.)."
    } ]
  },
  "contact": [ {
    "name": "NHS England",
    "telecom": [ {
      "use": "work",
      "rank": 1,
      "value": "interoperabilityteam@nhs.net",
      "system": "email"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}