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Application Migration and Development Guide
Application Development with PAS for OpenEdge : Programming ABL Client Applications : Managing asynchronous requests : Handling the response from an asynchronous request : Obtaining the return value
Obtaining the return value
You can obtain the return value for a remote procedure that you call asynchronously by invoking the RETURN-VALUE function within the event procedure that handles the asynchronous request. This function thus returns the value specified by a corresponding RETURN statement executed in the remote procedure. As for a synchronous request, if the remote procedure returns no value in the RETURN statement, the RETURN-VALUE function returns the empty string ("").