Use the same way to get the configuration through the bridge

android/src/main/java/com/paymentsdk/flutter_paymentsdk_bridge/FlutterPaytabsBridgePlugin.java

@@ -35,6 +35,7 @@
 import com.payment.paymentsdk.sharedclasses.model.response.TransactionResponseBody;
 
 import org.jetbrains.annotations.NotNull;
+import org.json.JSONArray;
 import org.json.JSONObject;
 
 import java.util.ArrayList;
@@ -356,13 +357,33 @@ private PaymentSdkConfigurationDetails getPaymentSdkConfigurationDetails(JSONObj
         if (shippingDetails != null) {
             shippingData = new PaymentSdkShippingDetails(shippingDetails.optString("pt_city_shipping"), shippingDetails.optString("pt_country_shipping"), shippingDetails.optString("pt_email_shipping"), shippingDetails.optString("pt_name_shipping"), shippingDetails.optString("pt_phone_shipping"), shippingDetails.optString("pt_state_shipping"), shippingDetails.optString("pt_address_shipping"), shippingDetails.optString("pt_zip_shipping"));
         }
-        final String ptCardDiscounts = paymentDetails.optString("pt_card_discounts", "[]");
-        final List<PaymentSdkCardDiscount> cardDiscounts = new Gson().fromJson(ptCardDiscounts, new TypeToken<List<PaymentSdkCardDiscount>>() {
-        }.getType());
+        final List<PaymentSdkCardDiscount> paymentSdkCardDiscounts = getPaymentSdkCardDiscounts(paymentDetails);
         return new PaymentSdkConfigBuilder(profileId, serverKey, clientKey, amount, currency).setCartDescription(cartDesc).setLanguageCode(locale).setBillingData(billingData).setMerchantCountryCode(paymentDetails.optString("pt_merchant_country_code")).setShippingData(shippingData).setCartId(orderId).setTransactionClass(createPaymentSdkTransactionClass(paymentDetails.optString("pt_transaction_class"))).setTransactionType(transaction_type).setTokenise(tokeniseType, tokenFormat).setTokenisationData(token, transRef).setAlternativePaymentMethods(aPmsList).showBillingInfo(paymentDetails.optBoolean("pt_show_billing_info")).showShippingInfo(paymentDetails.optBoolean("pt_show_shipping_info")).forceShippingInfo(paymentDetails.optBoolean("pt_force_validate_shipping")).setMerchantIcon(iconUri).setScreenTitle(screenTitle).linkBillingNameWithCard(paymentDetails.optBoolean("pt_link_billing_name")).hideCardScanner(paymentDetails.optBoolean("pt_hide_card_scanner"))
                 //New stuff
                 .enableZeroContacts(paymentDetails.optBoolean("pt_enable_zero_contacts")).isDigitalProduct(paymentDetails.optBoolean("pt_is_digital_product")).setPaymentExpiry(paymentScreenExpiry)
-                .setCardDiscount(cardDiscounts).build();
+                .setCardDiscount(paymentSdkCardDiscounts).build();
+    }
+
+    @NonNull
+    private static List<PaymentSdkCardDiscount> getPaymentSdkCardDiscounts(JSONObject paymentDetails) {
+        final JSONArray ptCardDiscounts = paymentDetails.optJSONArray("pt_card_discounts");
+        final List<PaymentSdkCardDiscount> paymentSdkCardDiscounts = new ArrayList<>();
+        if (ptCardDiscounts != null) {
+            for (int i = 0; i < ptCardDiscounts.length(); i++) {
+                final JSONObject discount = ptCardDiscounts.optJSONObject(i);
+                final JSONArray cardsPrefixes = discount.optJSONArray("pt_discount_cards");
+                final List<String> cards = new ArrayList<>();
+                if (cardsPrefixes != null) {
+                    for (int j = 0; j < cardsPrefixes.length(); j++) {
+                        cards.add(cardsPrefixes.optString(j));
+                    }
+                }
+                final PaymentSdkCardDiscount cardDiscount = new PaymentSdkCardDiscount(cards, discount.optDouble("pt_discount_value"),
+                        discount.optString("pt_discount_title"), discount.optBoolean("pt_is_percentage"));
+                paymentSdkCardDiscounts.add(cardDiscount);
+            }
+        }
+        return paymentSdkCardDiscounts;
     }
 
     public static String optString(JSONObject json, String key) {

example/lib/main.dart

@@ -3,7 +3,6 @@ import 'dart:io' show Platform;
 
 import 'package:flutter/material.dart';
 import 'package:flutter_paytabs_bridge/BaseBillingShippingInfo.dart';
-import 'package:flutter_paytabs_bridge/CardDiscount.dart';
 import 'package:flutter_paytabs_bridge/IOSThemeConfiguration.dart';
 import 'package:flutter_paytabs_bridge/PaymentSDKCardDiscount.dart';
 import 'package:flutter_paytabs_bridge/PaymentSDKQueryConfiguration.dart';
@@ -62,12 +61,12 @@ class _MyAppState extends State<MyApp> {
       PaymentSDKCardDiscount(
           discountCards: ["4111"],
           discountValue: 50,
-          discountTitle: "testing discounts ",
+          discountTitle: "50% discount on cards starting with 4111",
           isPercentage: true),
       PaymentSDKCardDiscount(
-          discountCards: ["4000"],
-          discountValue: 30,
-          discountTitle: "testing discounts 22 ",
+          discountCards: ["4000", "41111"],
+          discountValue: 2,
+          discountTitle: "2 discount on cards starting with 4000 and 41111",
           isPercentage: false)
     ];
     return configuration;

lib/PaymentSDKCardDiscount.dart

@@ -1,11 +1,25 @@
+// Importing the 'flutter_paytabs_bridge.dart' file.
 import 'flutter_paytabs_bridge.dart';
 
+/// `PaymentSDKCardDiscount` is a class that represents a discount card.
+///
+/// It has four properties: `discountCards`, `discountValue`, `discountTitle`, and `isPercentage`.
 class PaymentSDKCardDiscount {
+  /// A list of strings representing the discount cards.
   List<String> discountCards;
+
+  /// A double representing the value of the discount.
   double discountValue;
+
+  /// A string representing the title of the discount.
   String discountTitle;
+
+  /// A boolean indicating whether the discount is a percentage or not.
   bool isPercentage;
 
+  /// The constructor for the `PaymentSDKCardDiscount` class.
+  ///
+  /// It requires all four properties to be initialized.
   PaymentSDKCardDiscount({
     required this.discountCards,
     required this.discountValue,
@@ -14,7 +28,13 @@ class PaymentSDKCardDiscount {
   });
 }
 
+/// An extension on the `PaymentSDKCardDiscount` class.
+///
+/// It adds a getter `map` that converts the `PaymentSDKCardDiscount` object's data into a map.
 extension PaymentSDKCardDiscountExtension on PaymentSDKCardDiscount {
+  /// A getter that converts the `PaymentSDKCardDiscount` object's data into a map.
+  ///
+  /// It returns a map with the keys `pt_discount_cards`, `pt_discount_value`, `pt_discount_title`, and `pt_is_percentage`.
   Map<String, dynamic> get map {
     return {
       pt_discount_cards: this.discountCards,

lib/PaymentSdkConfigurationDetails.dart

@@ -1,14 +1,12 @@
-import 'package:flutter_paytabs_bridge/CardDiscount.dart';
-
 import 'BaseBillingShippingInfo.dart';
 import 'IOSThemeConfiguration.dart';
+import 'PaymentSDKCardDiscount.dart';
 import 'PaymentSdkApms.dart';
 import 'PaymentSdkLocale.dart';
 import 'PaymentSdkTokenFormat.dart';
 import 'PaymentSdkTokeniseType.dart';
 import 'PaymentSdkTransactionClass.dart';
 import 'PaymentSdkTransactionType.dart';
-import 'PaymentSDKCardDiscount.dart';
 import 'flutter_paytabs_bridge.dart';
 
 class PaymentSdkConfigurationDetails {
@@ -130,7 +128,7 @@ extension PaymentSdkConfigurationDetailsExtension
       pt_enable_zero_contacts: this.enableZeroContacts,
       pt_is_digital_product: this.isDigitalProduct,
       pt_expiry_time: this.expiryTime,
-      pt_card_discounts: this.cardDiscounts?.map
+      pt_card_discounts: this.cardDiscounts?.map((e) => e.map).toList(),
     };
   }
 }