ActionCondition()

override bool ActionCondition	(	PlayerBase	player,
		ActionTarget	target,
		ItemBase	item )

Other conditions are handled in CCTLiquid

Don't allow washing hands with heavy items in hands

См. определение в файле ActionWashHandsWater.c строка 31

    {
        if (item && item.IsHeavyBehaviour()) 
            return false;
        
        return (player.HasBloodyHands() && !player.GetItemOnSlot("Gloves"));
    }

Перекрестные ссылки ActionTarget().