ServiceWorkerMessageEventInit

inline fun ServiceWorkerMessageEventInit(
    data: Any? = null,
    origin: String? = null,
    lastEventId: String? = null,
    source: UnionMessagePortOrServiceWorker? = null,
    ports: Array<MessagePort>? = null,
    bubbles: Boolean? = false,
    cancelable: Boolean? = false,
    composed: Boolean? = false
): ServiceWorkerMessageEventInit
(source)

Platform and version requirements: JS