Parameters
- _from: ActorRef
- message:
| { tag: "Update" } & { value: Partial<NewQuiz> }
| { tag: "CreateQuiz" } & { value: {} }
| { tag: "ResetData" } & { value: {} }
Returns Promise<Error | string & BRAND<"UID"> | Unit>
promised return value. If the caller used ask, this value will be returned to the calling actor
Abstract method that handles all incoming messages