Hello gays

I pay 2nd hand Mini Cooper key 2 bootoms
And I replace my damaged remote with the 2n hand key remote

Now I want to coding the remote to work with my mini

I used scanner lunch x431
The scanner ask about 3 codes
1- Basic code: I found it on sticker on remote chip
2- random code: I don't know where can I found it
3- encryption code : I dont know where can I found it

Any help pls .

Thnx every body