diff --git a/src/main/lombok/com/restfb/types/ads/ProductItem.java b/src/main/lombok/com/restfb/types/ads/ProductItem.java
index <HASH>..<HASH> 100644
--- a/src/main/lombok/com/restfb/types/ads/ProductItem.java
+++ b/src/main/lombok/com/restfb/types/ads/ProductItem.java
@@ -83,6 +83,11 @@ public class ProductItem extends NamedAdsObject {
 
   @Getter
   @Setter
+  @Facebook
+  private String currency;
+
+  @Getter
+  @Setter
   @Facebook("custom_data")
   private Map<String, String> customData = new HashMap<>();
 
@@ -138,6 +143,11 @@ public class ProductItem extends NamedAdsObject {
 
   @Getter
   @Setter
+  @Facebook
+  private Integer inventory;
+
+  @Getter
+  @Setter
   @Facebook("manufacturer_part_number")
   private String manufacturerPartNumber;
NoIssue: added missed required ProductItem fields