public questStatus Logout(LogoutRequestViewModel logoutRequestViewModel)
        {
            // Initialize
            questStatus status = null;


            // Perform logout
            UserSessionId userSessionId = new UserSessionId(logoutRequestViewModel.ctx);
            AccountMgr    accountMgr    = new AccountMgr(this.UserSession);

            status = accountMgr.Logout(userSessionId);
            if (!questStatusDef.IsSuccess(status))
            {
                return(status);
            }
            return(new questStatus(Severity.Success));
        }