It's the name slot for room name. All you do is convert any name into hex using 12 characters at limit and enable the code before you create a game. Once game created will upload settings to server and your game will appear the name you chosen. Now to Mod the name into hex you can use any imposter generator since all you need is the text converted into hex. So heres a generator you can use
[You must be registered and logged in to see this link.] and switch the address with the game name code address.
0x HEX ADDRESS 0xHEX VALUE
#Long Room Name
;GetMoneyPro
0x0064BBAC 0x00000000 - slot 1 -
0x0064BBB0 0x00000000 - slot 2 - -
0x0064BBB4 0x00000000 - slot 3 - - -
0x0064BBB8 0x00000000 ect - - - - - -
0x0064BBBC 0x00000000 ect- - - - - - -
0x0064BBC0 0x00000000 ect - - - - - - -
0x0064BBC4 0x00000000 ect - - - - - - -
PUT HEX - -
VALUE HERE - - - - - - - - - - - - - - - - - - - -