{
  "description": "Accesses the active period of a FormularyItem",
  "_filename": "SearchParameter-Basic-period.json",
  "package_name": "hl7.fhir.us.davinci-drug-formulary",
  "date": "2025-02-26T17:11:51+00:00",
  "expression": "Basic.extension.where(url='http://hl7.org/fhir/us/davinci-drug-formulary/StructureDefinition/usdf-AvailabilityPeriod-extension').value",
  "publisher": "HL7 International / Pharmacy",
  "multipleAnd": true,
  "jurisdiction": [ {
    "coding": [ {
      "code": "US",
      "system": "urn:iso:std:iso:3166"
    } ]
  } ],
  "multipleOr": true,
  "name": "USDFBasicPeriod",
  "type": "date",
  "experimental": null,
  "resourceType": "SearchParameter",
  "title": null,
  "package_version": "2.1.0",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "phx"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use",
    "_valueCode": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical": "http://hl7.org/fhir/us/davinci-drug-formulary/ImplementationGuide/hl7.fhir.us.davinci-drug-formulary"
      } ]
    }
  } ],
  "status": "active",
  "id": "d7fc94f6-9d28-47b1-8e0a-aa67e2edd55a",
  "kind": null,
  "url": "http://hl7.org/fhir/us/davinci-drug-formulary/SearchParameter/Basic-period",
  "code": "period",
  "comparator": [ "eq", "lt", "le", "gt", "ge", "sa", "eb" ],
  "base": [ "Basic" ],
  "version": "2.1.0",
  "contact": [ {
    "name": "HL7 International / Pharmacy",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/medication",
      "system": "url"
    }, {
      "value": "pharmacy@lists.HL7.org",
      "system": "email"
    } ]
  } ]
}