how can I make a IAP Subscription code in unity 2019.1.9 for google play ?

how can I make a IAP Subscription code in unity 2019.1.9 for google play , means when he buy 5000 score subscription so add 5000 score to UIManager but it expired so back scores ? I do not using subscription so far help me please period subscription is : weekly is this code correct

 using System;
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Purchasing;
 using CodeStage.AntiCheat.ObscuredTypes;
 public class ShopManager2 : MonoBehaviour,IStoreListener
 { public static ShopManager2 Instance{ set; get;}
 
 private static IStoreController m_StoreController;
 private static IExtensionProvider m_StoreExtensionProvider;
 
 
 public static string kProductIDConsumable = "consumable";
 public static string kProductIDNonConsumable = "nonconsumable";
 public static string kProductIDSubscription = "subscription";
 
 private static string kProductNameAppleSubscription="com.unity3d.subscription.new";
 private static string kProductNameGooglePlaySubscription ="com.company.s.subscription.zshahin";
 
 void Start()
 {
 if (m_StoreController == null)
 {
 InitializePurchasing();
 }
 }
 public void InitializePurchasing()
 {
 if (IsInitialized())
 {
 return;
 }
 var builder = ConfigurationBuilder.Instance(StandardPurchasingModule.Instance());
 builder.AddProduct(kProductIDConsumable, ProductType.Consumable);
 builder.AddProduct(kProductIDNonConsumable, ProductType.NonConsumable);
 builder.AddProduct(kProductIDSubscription, ProductType.Subscription, new IDs(){
 { kProductNameAppleSubscription, AppleAppStore.Name },
 { kProductNameGooglePlaySubscription, GooglePlay.Name },
 });
 UnityPurchasing.Initialize(this, builder);
 }
 private bool IsInitialized()
 {
 return m_StoreController != null && m_StoreExtensionProvider != null;
 }
 public void BuyConsumable()
 {
 BuyProductID(kProductIDConsumable);
 }
 public void BuyNonConsumable()
 {
 BuyProductID(kProductIDNonConsumable);
 }
 public void BuySubscription()
 {
 BuyProductID(kProductIDSubscription);
 }
 void BuyProductID(string productId)
 {
 if (IsInitialized())
 { 
 
 Product product = m_StoreController.products.WithID(productId);
 if (product != null && product.availableToPurchase)
 {
 Debug.Log(string.Format("Purchasing product asychronously: '{0}'", product.definition.id));
 m_StoreController.InitiatePurchase(product);
 }
 else
 {
 Debug.Log("BuyProductID: FAIL. Not purchasing product, either is not found or is not available for purchase");
 }
 }
 else
 {
 Debug.Log("BuyProductID FAIL. Not initialized.");
 }
 }
 public void RestorePurchases()
 {
 if (!IsInitialized())
 {
 Debug.Log("RestorePurchases FAIL. Not initialized.");
 return;
 }
 if (Application.platform == RuntimePlatform.IPhonePlayer ||
 Application.platform == RuntimePlatform.OSXPlayer)
 {
 Debug.Log("RestorePurchases started ...");
 var apple = m_StoreExtensionProvider.GetExtension<IAppleExtensions>();
 apple.RestoreTransactions((result) => {
 Debug.Log("RestorePurchases continuing: " + result + ". If no further messages, no purchases available to restore.");
 });
 }
 else
 {
 Debug.Log("RestorePurchases FAIL. Not supported on this platform. Current = " + Application.platform);
 }
 }
 public void OnInitialized(IStoreController controller, IExtensionProvider extensions)
 {
 Debug.Log("OnInitialized: PASS");
 m_StoreController = controller;
 m_StoreExtensionProvider = extensions;
 }
 public void OnInitializeFailed(InitializationFailureReason error)
 {
 Debug.Log("OnInitializeFailed InitializationFailureReason:" + error);
 }
 public PurchaseProcessingResult ProcessPurchase(PurchaseEventArgs args)
 { //This can be called anytime after initialization
 //And it should probably be limited to Google Play and not just Android
 #if UNITY_ANDROID
 foreach (Product p in m_StoreController.products.all) {
 GooglePurchaseData data = new GooglePurchaseData(p.receipt);
 if (p.hasReceipt) {
 Debug.Log(data.json.autoRenewing);
 Debug.Log(data.json.orderId);
 Debug.Log(data.json.packageName);
 Debug.Log(data.json.productId);
 Debug.Log(data.json.purchaseTime);
 Debug.Log(data.json.purchaseState);
 Debug.Log(data.json.purchaseToken);
 }
 }
 #endif
 if (String.Equals(args.purchasedProduct.definition.id, kProductIDConsumable, StringComparison.Ordinal))
 {
 Debug.Log(string.Format("ProcessPurchase: PASS. Product: '{0}'", args.purchasedProduct.definition.id));
 }
 else if (String.Equals(args.purchasedProduct.definition.id, kProductIDNonConsumable, StringComparison.Ordinal))
 {
 Debug.Log(string.Format("ProcessPurchase: PASS. Product: '{0}'", args.purchasedProduct.definition.id));
 }
 else if (String.Equals(args.purchasedProduct.definition.id, kProductIDSubscription, StringComparison.Ordinal))
 {
 Debug.Log(string.Format("ProcessPurchase: PASS. Product: '{0}'", args.purchasedProduct.definition.id));
 }
 else
 {
 Debug.Log(string.Format("ProcessPurchase: FAIL. Unrecognized product: '{0}'", args.purchasedProduct.definition.id));
 }
 return PurchaseProcessingResult.Complete;
 }
 public void OnPurchaseFailed(Product product, PurchaseFailureReason failureReason);
 {
 Debug.Log(string.Format("OnPurchaseFailed: FAIL. Product: '{0}', PurchaseFailureReason: {1}", product.definition.storeSpecificId, failureReason));
 }
 }