This message occurs when a non EMV command response is returned from the device.
Parameter
Description
data
Byte array containing the data received from the device. For details, see the Programmer's Manual (COMMANDS) for the specific device with which you are communicating.
This message occurs when an error occurs.
The SDK sends this notification when the transaction status has changed.
Device request for displaying information to user.
Device request for application to display a User Selection Menu.
This notification is sent from the device for ARQC data.
This message occurs when the transaction result is received from the EMV device.
This message occurs when an EMV command result is received from the EMV device.
This message occurs when and extended response is received from the device.
This message occurs when a command is sent to an unpaired Bluetooth LE device.
This message occurs when and extended response is received from the device.
This call back will be raised if host software subscribes to it.
Parameter
Description
error
Error object.
Parameter
Description
data
Byte array containing the transaction status received from the device. For details about the Transaction Status, see the Programmer's Manual (COMMANDS) for the specific device with which you are communicating.
Parameter
Description
data
Byte array containing the display message received from the device. For details about the Display Message Request, see the Programmer's Manual (COMMANDS) for the specific device with which you are communicating.
Parameter
Description
data
Byte array containing the display selection from the device. For details about the Display Message Request, see the Programmer's Manual (COMMANDS) for the specific device with which you are communicating.
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
Parameter
Description
data
Byte array containing the transaction result from the EMV device. For details about the Display Message Request, see the Programmer's Manual (COMMANDS) for the specific device you are communicating with.
Parameter
Description
data
Byte array containing the command result from the EMV device. For details about the Display Message Request, see the Programmer's Manual (COMMANDS) for the specific device you are communicating with.
Parameter
Description
data
Hexadecimal string containing the extended response data received from the device. The first two bytes represent the result codes for the extended command. The next two bytes (most significant byte first) indicate the total length for the following data in bytes.
Parameter
Description
RSSI
Integer value for the Received Signal Strength Indicator.
error
NSError object
For details about the ARQC format, see the Programmer's Manual (COMMANDS) for the specific device with which you are communicating.