Notice that some properties are assigned to the token after the call to the remote service is made. In a multi-threaded
language, there would be a race condition where the result comes back before the token is assigned. This situation is
not a problem in ActionScript because the remote call cannot be initiated until the currently executing code finishes.
Passing parameters to a service
Flex provides two ways to pass parameters to a service call: explicit parameter passing and parameter binding. With
explicit parameter passing, pass properties in the method that calls the service. With parameter binding, use da
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