/config roles add role:
role:part, you type out the name of the role that you wish to be the role that users obtain upon completion of the captcha (See image above).
/config action set:Remove.
/config verification_channel set channel:
channel:part, you type out the name of the channel that you wish the bot to send messages to in the case that a user has their DMs closed or you can think of it as a lobby where people wait to get into the server (See Image Below).