diff --git a/src/@ionic-native/plugins/in-app-purchase-2/index.ts b/src/@ionic-native/plugins/in-app-purchase-2/index.ts
index 9ed945236..95583d2d1 100644
--- a/src/@ionic-native/plugins/in-app-purchase-2/index.ts
+++ b/src/@ionic-native/plugins/in-app-purchase-2/index.ts
@@ -88,7 +88,7 @@ export interface IAPProduct {
 
   additionalData?: any;
 
-  transaction?: any;
+  transaction?: PlayStoreReceipt | AppStoreReceipt;
 
   /**
    * Call `product.finish()` to confirm to the store that an approved order has been delivered.
@@ -197,6 +197,23 @@ export interface IAPProductEvents {
   downloaded: (callback: IAPQueryCallback) => IAPProductEvents;
 }
 
+export type PlayStoreReceipt = {
+  id: string;
+  purchaseState: number;
+  purchaseToken: string;
+  receipt: string;
+  signature: string;
+  type: "android-playstore";
+};
+
+export type AppStoreReceipt = {
+  id: string;
+  appStoreReceipt: string;
+  original_transaction_id: string;
+  type: "ios-appstore";
+};
+
+
 /**
  * @hidden
  */