{
  "resourceType": "StructureDefinition",
  "id": "Extension-DataStandardsWales-DocumentAttester",
  "url": "https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-DocumentReference.attester",
  "version": "0.1.0",
  "name": "ExtensionDataStandardsWalesDocumentAttester",
  "title": "Extension Data Standards Wales Document Attester",
  "status": "draft",
  "experimental": false,
  "date": "2026-02-26",
  "publisher": "NHS Wales",
  "contact": [
    {
      "name": "FHIR Standards",
      "telecom": [
        {
          "system": "email",
          "value": "fhir.standards@wales.nhs.uk",
          "use": "work",
          "rank": 1
        }
      ]
    }
  ],
  "copyright": "2026 NHS Wales",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "DocumentReference"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Attests to accuracy of the document.",
        "definition": "A participant who has authenticated the accuracy of the document. (Backport from FHIR R5.)"
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "min": 1
      },
      {
        "id": "Extension.extension:mode",
        "path": "Extension.extension",
        "sliceName": "mode",
        "short": "personal | professional | legal | official",
        "definition": "Indicates the level of authority of the attestation.",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Extension.extension:mode.extension",
        "path": "Extension.extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.extension:mode.url",
        "path": "Extension.extension.url",
        "fixedUri": "mode"
      },
      {
        "id": "Extension.extension:mode.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "preferred",
          "valueSet": "https://hl7.org/fhir/valueset-composition-attestation-mode.html"
        }
      },
      {
        "id": "Extension.extension:time",
        "path": "Extension.extension",
        "sliceName": "time",
        "short": "When the document was attested.",
        "definition": "When the document was attested by the party.",
        "requirements": "Identifies when the information in the document was deemed accurate. (Things may have changed since then.).",
        "max": "1"
      },
      {
        "id": "Extension.extension:time.extension",
        "path": "Extension.extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.extension:time.url",
        "path": "Extension.extension.url",
        "fixedUri": "time"
      },
      {
        "id": "Extension.extension:time.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "Extension.extension:party",
        "path": "Extension.extension",
        "sliceName": "party",
        "short": "Who attested the document.",
        "definition": "Who attested the document in the specified way.",
        "requirements": "Identifies who has taken on the responsibility for accuracy of the document content.",
        "max": "1"
      },
      {
        "id": "Extension.extension:party.extension",
        "path": "Extension.extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.extension:party.url",
        "path": "Extension.extension.url",
        "fixedUri": "party"
      },
      {
        "id": "Extension.extension:party.value[x]",
        "path": "Extension.extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Patient",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PractitionerRole",
              "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization"
            ]
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-DocumentReference.attester"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "max": "0"
      }
    ]
  }
}