In this scenario, the list object will need to be associated to a new master query which consists of only the Product line data item with no summary filter.
在这个场景中，列表对象需要关联到一个新的主查询，该查询只包含没有摘要过滤器的Product line数据项。
If you wanted the queued item to do something else, you would need to add that to the implementation of the Delayed object and call that new method upon retrieval from the queue.
如果希望队列项做一些其他事情，就需要在Delayed对象的实现中加入方法，并在从队列中取出后调用这个新方法。
Next, define the new item and set its properties as shown in Listing 2. This example USES the object MyStuff described above.
下面，定义一件新的商品，并设置它的属性如清单2所示。
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