{
  "resourceType": "SearchParameter",
  "id": "bundle-composition-immunization-occurrence",
  "url": "http://ontariohealth.ca/fhir/ir/SearchParameter/bundle-composition-immunization-occurrence",
  "name": "CompositionImmunizationOccurrence",
  "status": "active",
  "experimental": false,
  "version": "1.0.0",
  "date": "2026-05-29",
  "publisher": "Ontario Health",
  "contact": [
    {
      "name": "Ontario Health",
      "telecom": [
        {
          "system": "url",
          "value": "http://ontariohealth.ca"
        }
      ]
    }
  ],
  "description": "This parameter filters the document bundle content based on the specific vaccine administration occurrence date.",
  "purpose": "Need to search immunization records within document bundles by administration occurrence date",
  "code": "composition.immunization.occurrence",
  "base": [
    "Bundle"
  ],
  "type": "date",
  "expression": "Bundle.entry.resource.ofType(Immunization).occurrence"
}