code: function encodeCreate(transaction, params, callback)
    {
      if(transaction)
        return transactionOperation.call(transaction, 'create', params, callback);
  
      if(transactionsManager.length)
        return transactionOperation.call(transactionsManager, 'create', params, callback);
  
      self.emit('_create', undefined, params, callback)
    }
docs: Encode commands