Messages are collections of parameters used as profiles in determining the input and output values for a function call.

消息是参数的集合，这些参数用作确定函数调用的输入和输出值的配置文件。

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However, to make an RFC call from an application, you need to specify the name of the BAPI and the details of its interface including the import parameters (input) and the export parameters (output).

不过，若要从应用程序执行RFC调用，您需要指定BAPI的名称及其接口的详细信息，其中包含导入参数(输入)和导出参数(输出)。

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Modify the generated client to declare proper input and output variables, and pass these as parameters for the Web service method call.

修改生成的客户机以声明合适的输入和输出变量，并将这些作为参数传递给Web服务方法调用。

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