Each invocation of the user exit will generate a new trace file, so please don't leave trace on in production.

这个用户出口的每次调用都会生成一个新的跟踪文件，因此在生产中不要开启跟踪功能。

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You can author test cases manually or from a test client invocation trace.

您可以手动或通过测试客户机调用跟踪来创作测试用例。

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We also suggest you make your first run with tracing on, so add the word TRACE to the invocation statement.

我们还建议您首次运行时打开跟踪功能，因此，将TRACE添加到调用语句。

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