[A] appsflyer, SDK facade init method

sdk-intergration/Packages/AppsFlyer/AFSDKPurchaseDetailsIOS.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+
+namespace AppsFlyerSDK
+{
+    /// <summary>
+    // 
+    /// </summary>
+    public class AFSDKPurchaseDetailsIOS
+    {
+        public string productId { get; private set; }
+        public string price { get; private set; }
+        public string currency { get; private set; }
+        public string transactionId { get; private set; }
+
+        private AFSDKPurchaseDetailsIOS(string productId, string price, string currency, string transactionId)
+        {
+            this.productId = productId;
+            this.price = price;
+            this.currency = currency;
+            this.transactionId = transactionId;
+        }
+
+        public static AFSDKPurchaseDetailsIOS Init(string productId, string price, string currency, string transactionId)
+        {
+            return new AFSDKPurchaseDetailsIOS(productId, price, currency, transactionId);
+        }
+    }
+
+}