initPayment method
Function to initialize payment and register the notification handler
Implementation
StonePayment initPayment({
required IStoneHandler handler,
IStoneTechHandler? iStoneTechHandler,
}) {
if (_payment != null) {
return _payment!;
}
_payment = StonePayment.create(
channel: _channel,
paymentHandler: handler,
iStoneTechHandler: iStoneTechHandler,
);
return _payment!;
}