The USEREXIT server side user exit is called twice for each distributed processing flow and supports multiple APIs. By serving as the main entry point for five APIs, USEREXIT enables inspection and modification of the user data and application data that moves between a Distributed Processing Client (DPC) and a Distributed Processing Server (DPS). USEREXIT is called the first time just after request data has been received from the client. The second call occurs just before the response data is returned to the client.
You can use the set of APIs that USEREXIT supports encrypting and decrypting transaction data, adding custom data that is not generated from CA Gen to the buffer sent to the client side, performing customized auditing, and so on.
Note: The size of the CA Gen data buffer cannot be modified. Data integrity must be maintained by the user exit.
This user exit is available only on the NonStop server platform.
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