5 - MTSCRA Callback Messages
aDynamo, uDynamo, Dynamag, DynaMAX, eDynamo, BulleT| Secure Card Reader Authenticator | Programmer’s Reference (Android)
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Offset
Field Name
Value
0
Message
Length
Two byte binary, most significant byte first. This gives the total length of the
ARQC message that follows.
2
ARQC
Message
Byte array containing the ARQC Message. See Appendix B for ARQC
Message Format.
5.9
OnTransactionResult (EMV Device Only)
This message occurs when transaction result is received from the EMV device.
Parameter
Description
Obj
Byte array containing the data received from the device. See table below for
descriptions of the data.
Offset
Field Name
Value
0
Signature
Required
This field indicates whether a card holder signature is required to complete the
transaction:
0x00 – No signature required
0x01 – Signature required
If a signature is required, it is expected that the host will acquire the signature
from the card holder as part of the transaction data.
1
Batch Data
Length
Two byte binary, most significant byte first. This gives the total length of the
Batch Data that follows.
3
Batch Data
Byte array containing the Batch Data. See Appendix D for Batch Data Format.
5.10
OnEMVCommandResult (EMV Device Only)
This message occurs when an EMV command result is received from the EMV device.
