onRequestReaderInput abstract method

void onRequestReaderInput(
  1. List<ReaderInputOption> options
)

This method is called when the reader begins waiting for input. Your app should prompt the customer to present a source using one of the given input options. If the reader emits a message, the onRequestReaderDisplayMessage method will be called.

Implementation

void onRequestReaderInput(List<ReaderInputOption> options);