Cielo\Transaction::getOrder PHP Method

    public function getOrder()
    {
        return $this->order;
    }

 /**
  * @param  Transaction $transaction
  * @param  DOMDocument $document
  * @return \DOMElement
  */
 private function createRequisicaoAutorizacao(Transaction $transaction, DOMDocument $document)
 {
     $autorizacao = $document->createElementNS(RequestSerializer::NS, 'requisicao-autorizacao-tid');
     $autorizacao->setAttribute('id', $transaction->getOrder()->getNumber());
     $autorizacao->setAttribute('versao', RequestSerializer::VERSION);
     $autorizacao->appendChild($document->createElementNS(RequestSerializer::NS, 'tid', $transaction->getTid()));
     $autorizacao->appendChild($this->createDadosEc($transaction, $document));
     return $autorizacao;
 }