protected function createDadosEc(Transaction $transaction, DOMDocument $document) { $merchant = $transaction->getMerchant(); $dadosEc = $document->createElementNS(TransactionRequestSerializer::NS, 'dados-ec'); $numero = $document->createElementNS(TransactionRequestSerializer::NS, 'numero', $merchant->getAffiliationId()); $chave = $document->createElementNS(TransactionRequestSerializer::NS, 'chave', $merchant->getAffiliationKey()); $dadosEc->appendChild($numero); $dadosEc->appendChild($chave); return $dadosEc; }