how to add the codes to caracter who need it?

[hinatalover]

hi ive been workign out on hacks and all for brawl but i duno about caracter that need a code some of the caracter ive seen here in bralwvault says to add a code they write so it doesnt foreeze or whatever the bug is can someoen tell me were i have to put this codes? or how to put them? :kdance: hope u reply soon and ty  :D