{description: This parameter filters the document bundle content based on the specific vaccine administration occurrence date., package_name: ca.on.ir.r4, name: CompositionImmunizationOccurrence, type: date, package_version: 1.0.0-draft2, class: unknown, kind: null, url: 'http://ontariohealth.ca/fhir/ir/SearchParameter/bundle-composition-immunization-occurrence', version: 1.0.0}