{
  "resourceType": "SearchParameter",
  "id": "Bundle-composition-patient-birthdate",
  "url": "http://ehealthontario.ca/fhir/SearchParameter/Bundle-composition-patient-birthdate",
  "name": "composition.patient.birthdate",
  "status": "active",
  "experimental": false,
  "version": "4.0.1",
  "date": "2023-10-04",
  "publisher": "Ontario Health",
  "contact": [
    {
      "name": "Ontario Health",
      "telecom": [
        {
          "system": "url",
          "value": "http://ontariohealth.ca"
        }
      ]
    }
  ],
  "description": "Search by patient birthDate",
  "purpose": "Need to search by patient birthDate",
  "code": "composition.patient.birthdate",
  "base": [
    "Bundle"
  ],
  "type": "date",
  "expression": "Bundle.entry.resource.ofType(Patient).birthDate"
}