For example, if you are asking an user what prize he wants: a car, a house, or a boat trip, and then if he select the car, the options should look like this;
Is it possible to get this interface? Thanks
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You would create a second radioButton field that could appear below the original one with the sub-options for the initial option selected. If you're just specifically asking if you can nest them, then the answer is "no".
I also thought that, but i wanted to improve the experience with the interface with that setting. Thank you for your fast answer!