{
  "resourceType": "SearchParameter",
  "id": "example",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    }
  ],
  "url": "http://hl7.org/fhir/SearchParameter/example",
  "version": "1",
  "name": "IDSEARCHPARAMETER",
  "title": "ID-SEARCH-PARAMETER",
  "derivedFrom": "http://hl7.org/fhir/SearchParameter/Resource-id",
  "status": "draft",
  "experimental": true,
  "date": "2013-10-23",
  "publisher": "HL7 International / FHIR Infrastructure",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "description": "Search by resource identifier - e.g. same as the read interaction, but can return included resources",
  "useContext": [
    {
      "code": {
        "system": "http://terminology.hl7.org/CodeSystem/usage-context-type",
        "code": "focus"
      },
      "valueCodeableConcept": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/variant-state",
            "code": "positive"
          }
        ]
      }
    }
  ],
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "urn:iso:std:iso:3166",
          "code": "US",
          "display": "United States of America"
        }
      ]
    }
  ],
  "purpose": "Need to search by identifier for various infrastructural cases - mainly retrieving packages, and matching as part of a chain",
  "code": "_id",
  "aliasCode": [
    "logical-id"
  ],
  "base": [
    "Resource"
  ],
  "type": "token",
  "expression": "id",
  "processingMode": "normal"
}