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Its ppossible with own Javascript. The shortcode provides two Javascript callbacks. One pre server call and one after the server call.
If yyou want to store the user data to the code, the you can send all as the user reg value. But this needs a developer. Its is not out of the plugin. Additionaly, if the code does not validate, the the information cannot be stored. The code was not found.
ah this is a pity. I need to know who use the code. Is there no other way to do it?