public void WhatIs([FromBody] ItemArg arg)
        {
            var item = Items.FindById(arg.itemId);

            DDD.WhatIs(item);
        }
        public void Pull([FromBody] ItemArg arg)
        {
            var item = Items.FindById(arg.itemId);

            DDD.Pull(item);
        }
        public void WalkTo(ItemArg arg)
        {
            var item = Items.FindById(arg.itemId);

            DDD.WalkTo(item);
        }