Cielo\Serializer\TransactionRequestSerializer::createRequisicaoTransacao PHP Method

    private function createRequisicaoTransacao($transaction, DOMDocument $document)
    {
        $requisicao = $document->createElementNS(self::NS, 'requisicao-transacao');
        $requisicao->setAttribute('id', $transaction->getOrder()->getNumber());
        $requisicao->setAttribute('versao', RequestSerializer::VERSION);
        $requisicao->appendChild($this->createDadosEc($transaction, $document));
        $requisicao->appendChild($this->createDadosPortador($transaction, $document));
        $requisicao->appendChild($this->createDadosPedido($transaction, $document));
        $requisicao->appendChild($this->createFormaPagamento($transaction, $document));
        $this->createElementAndAppendWithNs($requisicao, 'url-retorno', $transaction->getReturnURL());
        $this->createElementAndAppendWithNs($requisicao, 'autorizar', $transaction->getAuthorize());
        $this->createElementAndAppendWithNs($requisicao, 'capturar', $transaction->getCapture() ? 'true' : 'false');
        $this->createElementAndAppendWithNs($requisicao, 'campo-livre', $transaction->getFreeField());
        if ($transaction->getBin() !== null) {
            $this->createElementAndAppendWithNs($requisicao, 'bin', $transaction->getBin());
        }
        $this->createElementAndAppendWithNs($requisicao, 'gerar-token', $transaction->getGenerateToken() ? 'true' : 'false');
        $avsXML = $transaction->getAvs();
        if (!empty($avsXML)) {
            $avs = $document->createElementNS(self::NS, 'avs');
            $avs->appendChild($document->createCDATASection($avsXML));
            $requisicao->appendChild($avs);
        }
        return $requisicao;
    }