code: func (c *Connector) SetSessionData(ctx context.Context, data *SessionData) (*Response, error) {
  	s := pitaya.GetSessionFromCtx(ctx)
  	err := s.SetData(data.Data)
  	if err != nil {
  		return nil, pitaya.Error(err, "CN-000", map[string]string{"failed": "set data"})
  	}
  	return reply(200, "success")
  }
docs: // SetSessionData sets the session data