Make sure you the network you want is listed in the bridge config.
Send login to start the login.
Enter the name of the network you want to log into.
The name must match a key in the networks map in the config.
Enter the nick you want to use.
If you want to log into NickServ, enter the username and password to use for
SASL separated by a colon, i.e. username:password. If you don't want to
authenticate, just send a colon :
The bot should inform you of a successful login and will start connecting to IRC.
The connection may fail after a successful login if the configuration or
credentials are incorrect.