Interface defines in C++ can not be called in blueprint

Development Programming & Scripting UI
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3

#pragma once

#include "ItemActionsInterface.generated.h"

UINTERFACE(Blueprintable)
class UItemActionsInterface : public UInterface
{
    GENERATED_UINTERFACE_BODY()
};

class IItemActionsInterface
{
    GENERATED_IINTERFACE_BODY()

public:
    UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "Pickup", meta = (DisplayName = "Pickup Item"))
    bool PickupItem(class AItemActor* InItemActor);

    UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "Match", meta = (DisplayName = "Match Item"))
    bool MatchItem(int32 MatchType);
};

The solution is adding ‘BlueprintCallable’ property to the functions.