通过确定处理业务操作的功能返回的变量，也可以标识功能。
By identifying the variables returned by the functions processing the business operations, you can also identify the functions.
本文采用了一个简单的预构建贷款处理场景，并介绍了业务变量和业务空间在贷款处理复合业务服务中的应用。
This article takes a simple pre-built loan processing scenario and introduces the use of business variables and the business Space in the loan processing composite business service.
只有事件处理程序完成了其业务逻辑后，它才会更新全局变量result，以将结果返回到MainScope。
Only when the event handler has finished its business logic, it updates the global variable result in order to return the result to MainScope.
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