diff --git a/hwanyoung2/Source/hwanyoung2/HYShopNPCActor.h b/hwanyoung2/Source/hwanyoung2/HYShopNPCActor.h
index f30172b2..446f031e 100644
--- a/hwanyoung2/Source/hwanyoung2/HYShopNPCActor.h
+++ b/hwanyoung2/Source/hwanyoung2/HYShopNPCActor.h
@@ -20,7 +20,7 @@ public:
 
 	// This Function will be called when player buy the item.
 	// @param Controller: Player Controller, ItemToBuy: the item structure(Data) to buy, Amount: the number of the item.
-	UFUNCTION(BlueprintNativeEvent)
+	UFUNCTION(BlueprintNativeEvent, BlueprintCallable)
 	void BuyTradableItem(APlayerController* Controller, const FInventoryItem ItemToBuy, const int Amount);
 
 	// This Function will be called when player buy the item.