Switch back to the assembly diagram, and add the CustomerCheck interface to the CustomerCheck component in the same manner as when you added the interface to the ProcessOrder component.

切换回组装关系图，并采用与向ProcessOrder组件添加接口相同的方式将CustomerCheck接口添加到CustomerCheck组件。

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To add the last component of the sample application, a Symphony Spreadsheet container component, you have to switch back to the component Library palette on CAE's palette on the right side of CAE.

要向样例应用程序添加最后一个组件，即Symphony Spreadsheet容器，您需要切换回位于CAE右侧的CAE面板中的Component Library面板。

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