//On<T> public IDisposable CreatedSession(Action <SessionVO, string> action) => _connection.BindOnInterface <SessionVO, string, ISessionClient>(x => x.CreatedSessionAsync, action);
//On<T> public IDisposable CreatedSession(Action <SessionVO, string> action) => _connection.BindOnInterface <SessionVO, string, ISessionClient>(x => x.CreatedSessionAsync, action);