WAX CUSTOM TOKENS
3 ITEMS REQUIRED
1) the token symbol
2) the token contract and
3) the number of decimal places that the token has.
EVERYTHING ELSE CAN BE LEFT BLANK
All this info can be found at https://wax.bloks.io
So go there and login with your wallet!
You will be able to see all the tokens that you own there and the info that you need, as shown in the picture below.