Is it possible to get an event, if user end transaction with /n?

Hello,
i have written an own control component(combination from enjoy controls(Toolbar, Tree and Splitter) in ABAP. If the User end the transaction with the gui status BACK END or CANCEL, I got a PAI and can say save_layout( ) set screen 0 leave screen, that next time the control has the same layout. If the user leaves the transaction with /n, I get no PAI to save the layout. If there are any event that I can catch to save the layout of my control. I find the class cl_system_transaction_state with event transaction_finished, but this event is only raised by commit work or rollback work.
Thanks & Regards

Hello,
There is no event triggered on a "/n".
Users should know that "/n" leave the transaction brutaly without any confirmation
Sorry
Regards
JM

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