http://hl7.org/fhir/StructureDefinition/id|4.0.1

{
  "description": "Base StructureDefinition for id type: Any combination of letters, numerals, \\\"-\\\" and \\\".\\\", with a length limit of 64 characters.  (This might be an integer, an unprefixed OID, UUID or any other identifier pattern that meets these constraints.)  Ids are case-insensitive.",
  "package": "hl7.fhir.r4.examples@4.0.1",
  "date": "2019-10-31T22:29:23Z",
  "derivation": "specialization",
  "meta": {
    "lastUpdated": "2019-11-01T09:29:23.356+11:00"
  },
  "publisher": "HL7 FHIR Standard",
  "fhirVersion": "4.0.1",
  "name": "id",
  "abstract": false,
  "type": "id",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "fhirversion": null,
  "title": null,
  "versionAlgorithmCoding": null,
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "normative"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
    "valueCode": "4.0.0"
  } ],
  "status": "active",
  "id": "3509538e-2635-5239-b4de-cbe12ee5d23d",
  "kind": "primitive-type",
  "url": "http://hl7.org/fhir/StructureDefinition/id",
  "identifier": null,
  "versionAlgorithmString": null,
  "fhir_id": null,
  "version": "4.0.1",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/string"
}