export interface SessionStartedMessage {
    /** The id of the session that was started. */
    sessionId: string;
    /** The id of the site where the interaction takes place. */
    siteId: string;
    /** Custom data provided in the StartSessionMessage or a ContinueSessionMessage. */
    customData?: string;
    /** The session was reactivated from this session id. */
    reactivatedFromSessionId?: string;
}