statusCashier method

Future<int> statusCashier()

*statusCashier

Check if there is a chasier in the device or if it's working and everything else

Implementation

Future<int> statusCashier() async {
  int? status = await platform?.invokeMethod('statusCashier') ?? 9999;
  if (status < 0) {
    throw ElginException(status);
  }
  return status;
}