AnimNotify not called in blendspace in c++ code

Hi. I made a animation instance. And I lean if I make AnimNotify_name, animation call anim notify. But when I declare anim notify in blendspace. Functions not called. Anyone know why It is not work? Here is my code and animation notifys

UCLASS(Blueprintable)
class SAVINGGAME_API UBaseAnimInstance : public UAnimInstance
{
    UFUNCTION()
    void AnimNotify_FootStepR();
    UFUNCTION()
    void AnimNotify_FootStepL();
}

261637-

I found it is work. But it is not at time. Some time animnotify called. Still I don’t know why it is not work.