$discriminator
Returns a user’s discriminator (the 4 digit number at the end of their username).
Discord has updated the username system, removing discriminators for users. Discriminators will only work for bots. For user it will return 0000.
Syntax
$discriminator[User ID]
Parameters
User ID(Type: Snowflake || Flag: Emptiable): The user to get the discriminator from.
Example
$nomention
Discriminator: #$discriminator[$mentioned[1]]
How $mentioned[] works?