7 - Notification Messages Sent from Device to Host (Extended Notifications Only)
eDynamo| Secure Card Reader Authenticator | Programmer’s Manual (COMMANDS)
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7.2.5 Notification 0x0304 - Transaction Result Message
The device sends this notification to provide the host with final information from the transaction. It
usually includes data and an indication of whether a signature is required.
Table 7-4 - Notification Data, Transaction Result Message
This field indicates whether a cardholder signature is required to complete the
transaction:
0x00 = No signature required
0x01 = Signature required
If a signature is required, the host should acquire the signature from the
cardholder as part of the transaction data.
Two byte binary, most significant byte first. This gives the total length of the
Data message that follows, excluding padding and CBC-MAC.
See Property 0x68 – EMV Message Format and Appendix D.3 Transaction
Result Messages . It is expected that the host will save this data as a record of
the transaction.