protected function transactionValue($key)
    {
        if (isset($this->data->transaction) && $this->data->transaction && isset($this->data->transaction->$key)) {
            return $this->data->transaction->$key;
        }

        return null;
    }
protected function transactionValue($key)
    {
        if (isset($this->data->transaction) && $this->data->transaction && isset($this->data->transaction->$key)) {
            return $this->data->transaction->$key;
        }

        return null;
    }
protected function transactionValue ( $ key ) { if ( isset ( $ this -> data -> transaction ) && $ this -> data -> transaction && isset ( $ this -> data -> transaction -> $ key ) ) { return $ this -> data -> transaction -> $ key ; } return null ; }
Return a value from the transaction object

@param  string  $key
@return mixed
Return a value from the transaction object