Implement the callback
tender_progress_CB and assign to the function pointer
status_tender_progress. For more information on how to do this, see Implement callbacks with register_device_request.
The declaration of the progress callback is:
Handle the tender progress callback
progress_callback provides additional information during the transaction regarding the progress of the transaction.
The tender progress callback reports progress events. The PED returns event information to the cash register. Progress events do not require any action by the cash register. They They inform the staff and the shopper of what is happening on the PED. They may occur in any order, or may not occur at all. Do not use the progress callback for state machine flow or functional processing.
||A pointer to a
For a description of the