Transaction Launcher : How to get return parameters from an external URL

Hello,
We need to launch an external URL in the Web Client UI. After the URL is launched, the user does some processing which results in some output values. These value have to be passed back to the Web Client UI and become a part of the quotation he is creating.
We are able to launch the URL using the Transaction Launcher. But we are not able to find a way to get the output values from the external URL to the Web client UI.
Please suggest any approach for this. It is OK even if we need to use an intermediate BSP to launch the external URL.
Regards
Ajay

hi ajay
I had a similar requirement , when the user clicks on button I want to launch the  External URL , can you please let me know how to launch the external url when the user cliks on button
Thanks & Regards
madhu

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