Merge pull request #239 from Paul-J-Barrett/missing_320

Missing 320

Author: abuzuhri

Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentOutbound/EventCode.cs

@@ -108,6 +108,12 @@ public enum EventCode
 
         _309,
 
+        /// <summary>
+        /// Enum _320 for value: EVENT_320
+        /// </summary>
+
+        _320,
+
         /// <summary>
         /// Enum _401 for value: EVENT_401
         /// </summary>