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Transaction Event

HeaderLengthData
0x380x01Transaction State
0x00Started
0x01Reading Card
0x02Card Read Complete
0x03Transaction Complete
0xFFUnknown state

Usage

This is sent by the terminal to indicate the state of the transaction, and then, only if the option is enabled using the Protocol command. It can be used to update the host state, for example to provide a UI message or disable another payment option.