makePayment method
Implementation
@override
Future<Map<String, dynamic>> makePayment(String productId, String payType,
Map<String, dynamic> paymentDetails) async {
final result = await methodChannel.invokeMapMethod<String, dynamic>('pay', {
'productId': productId,
'payType': payType,
'paymentDetails': paymentDetails,
});
return result ?? {};
}