## FhircastEventVersionRequired type [​](/content/docs/sdk/core.fhircasteventversionrequired#fhircasteventversionrequired-type/index.html) **Signature:** ```typescript export type FhircastEventVersionRequired = (typeof FHIRCAST_EVENT_VERSION_REQUIRED)[number]; ``` **References:** [FHIRCAST event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event event