SaleToPOIDvcReq
                Mandatory
                Hdr
                Mandatory
                DvcReq
                Mandatory
                Envt
                Optional
                Cntxt
                Optional
                SvcCntt
                Mandatory
                DispReq
                Optional
                InptReq
                Optional
                PrtReq
                Optional
                PlayRsrcReq
                Optional
                ScrInptReq
                Optional
                InitlstnCardRdrReq
                Optional
                CardRdrAPDUReq
                Optional
                PwrOffCardRdrReq
                Optional
                TrnsmssnReq
                Optional
                InptNtfctn
                Optional
                XchgId
                Mandatory
                OutptCntt
                Mandatory
                MsgDstn
                Mandatory
                InfQlfr
                Optional
                Format
Frmt
                Optional
                Definition: Message format.
Type: OutputFormat3Code (String)
Allowed Values:
- BARC (Barcode): Barcode to output in several possible format.
 - MENT (Menu Entry): A text to display as a menu before requesting an input.
 - MREF (Message Reference): Predefined configured messages, identified by a reference.
 - SREF (Screen Reference): Screen to display identified by a reference.
 - TEXT (Simple Text): Text without format attributes.
 - HTML (XHTML): XHTML document which includes a subset of the XHTML output tag.
 
MsgCntt
                Optional
                MsgCnttSgntr
                Optional
                OutptBrcd
                Optional
                RspnReqrdFlg
                Optional
                MinDispTm
                Optional
                SplmtryData
                Repetition (0..n)
                SctyTrlr
                Optional