payNow method

Implementation

Future<SSLCTransactionInfoModel> payNow() async {
  try {
    var response = await _channel.invokeMethod(
      'initiateSSLCommerz',
      jsonEncode(this),
    );
    return SSLCTransactionInfoModel.fromJson(jsonDecode(response));
  } catch (e) {
    throw Exception(e.toString());
  }
}