ActionCondition()

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

См. определение в файле ActionFoldBaseBuildingObject.c строка 33

    {
        Object targetObject = target.GetObject();
        if (targetObject.CanUseConstruction())
        {
            BaseBuildingBase baseBuilding = BaseBuildingBase.Cast(targetObject);
            
            if (baseBuilding.CanFoldBaseBuildingObject())
                return true;
        }
        
        return false;
    }

Перекрестные ссылки ActionTarget().