External keypad macro programming

[M.R.P. zensky]

Hello I have a secondary keypad that I want asian macros to next to me standard keyboard. When I type xinput I get the name of the keypad and the following.
Genovation inc Controller ide=18 [slave keyboard (3)] Genovzation inc Controller ide=20 [slave keyboard (3)]

Can anyone tell me how I assign the keypad keys macros? What tool should I use?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/ubuntu-users/attachments/20210505/8b4e7a4b/attachment.html>