SaleToPOIDvcReq
                Mandatory
                Hdr
                Mandatory
                DvcReq
                Mandatory
                Envt
                Optional
                Cntxt
                Optional
                PmtCntxt
                Optional
                CardPres
                Optional
                CrdhldrPres
                Optional
                OnLineCntxt
                Optional
                AttndncCntxt
                Optional
                TxEnvt
                Optional
                Transaction Channel
TxChanl
                Optional
                Definition: Identifies the type of the communication channels used by the cardholder to the acceptor system.
Type: TransactionChannel5Code (String)
Allowed Values:
- MAIL (Mail Order): Mail order.
 - TLPH (Telephone Order): Telephone order.
 - ECOM (Electronic Commerce): Electronic commerce.
 - TVPY (Television Payment): Payment on television.
 - SECM (Secured Electronic Commerce): Electronic commerce with cardholder authentication.
 - MOBL (Mobile Payment): Payment performed through a cardholder mobile device.
 - MPOS (Mobile POS): Payment performed through a merchant mobile device.
 
BizArea
                Optional
                AttndntMsgCpbl
                Optional
                AttndntLang
                Optional
                CardDataNtryMd
                Optional
                FllbckInd
                Optional
                SpprtdOptn
                Repetition (0..n)
                SaleCntxt
                Optional
                DrctDbtCntxt
                Optional
                SvcCntt
                Mandatory
                DispReq
                Optional
                InptReq
                Optional
                PrtReq
                Optional
                PlayRsrcReq
                Optional
                ScrInptReq
                Optional
                InitlstnCardRdrReq
                Optional
                CardRdrAPDUReq
                Optional
                PwrOffCardRdrReq
                Optional
                TrnsmssnReq
                Optional
                InptNtfctn
                Optional
                SplmtryData
                Repetition (0..n)
                SctyTrlr
                Optional