Como utilizar
Basicamente, transações utilizando Card on File têm o valor CDFL na tag CardDataNtryMd
Exemplo
<Cntxt>
<PmtCntxt>
<CardDataNtryMd>CDFL</CardDataNtryMd>
<TxEnvt>MERC</TxEnvt>
<TxChanl>ECOM</TxChanl>
</PmtCntxt>
</Cntxt>
Exemplo de um Request Completo
<Document xmlns="urn:AcceptorAuthorisationRequestV02.1">
<AccptrAuthstnReq>
<Hdr>
<MsgFctn>AUTQ</MsgFctn>
<PrtcolVrsn>2.0</PrtcolVrsn>
</Hdr>
<AuthstnReq>
<Envt>
<Mrchnt>
<Id>
<Id>ABCDE123456789ABCDE123456789ABCD</Id>
<ShrtNm>Nome na fatura</ShrtNm>
</Id>
</Mrchnt>
<POI>
<Id>
<Id>2FB4C89A</Id>
</Id>
<SysNm>Nome do Gateway</SysNm>
</POI>
<Card>
<PlainCardData>
<PAN>4000000000000010</PAN>
<XpryDt>2027-10</XpryDt>
<CardSctyCd>
<CSCVal>123</CSCVal>
</CardSctyCd>
</PlainCardData>
</Card>
<Crdhldr>
<Nm>Bruce Banner</Nm>
</Crdhldr>
</Envt>
<Cntxt>
<PmtCntxt>
<CardDataNtryMd>CDFL</CardDataNtryMd>
<TxChanl>ECOM</TxChanl>
</PmtCntxt>
</Cntxt>
<Tx>
<InitrTxId>123123123</InitrTxId>
<TxCaptr>true</TxCaptr>
<TxId>
<TxDtTm>2020-06-01T15:11:06</TxDtTm>
<TxRef>ABCDEF-123456</TxRef>
</TxId>
<TxDtls>
<Ccy>986</Ccy>
<TtlAmt>100</TtlAmt>
<AcctTp>CRDT</AcctTp>
<RcrngTx>
<InstlmtTp>NONE</InstlmtTp>
<TtlNbOfPmts>0</TtlNbOfPmts>
</RcrngTx>
</TxDtls>
</Tx>
</AuthstnReq>
</AccptrAuthstnReq>
</Document>