Start the transaction. Send with the amount and transaction type, and prompt the cardholder to insert, tap, or swipe.
React to the reader. As the transaction proceeds, the reader sends notifications reporting progress. On a reader without a display (like the DynaFlex II Go), respond to any prompts it sends via Host Action Request.
Finish. The reader produces an ARQC; forward it to your processor and return the response, or use Quick Chip to complete immediately. The reader sends with the result.
That's the shape of it. For the full flow β the Quick Chip vs. EMV fork, online authorization, contactless, and configuration β see .
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