multipass authenticate

multipass authenticate --help
Usage: multipass authenticate [options] [<passphrase>]
Authenticate with the Multipass service.
A system administrator should provide you with a passphrase
to allow use of the Multipass service. 

Options:
  -h, --help     Displays help on commandline options.
  --help-all     Displays help including Qt specific options.
  -v, --verbose  Increase logging verbosity. Repeat the 'v' in the short option
                for more detail. Maximum verbosity is obtained with 4 (or more)
                v's, i.e. -vvvv.

Arguments:
  passphrase     Passphrase to register with the Multipass service. If omitted,
                 a prompt will be displayed for entering the passphrase.

See also

• multipass: [ connect | shell |stop | start | restart | delete | launch | set | get | info | list | find | tranfer | purge | suspend | version ] multipass help
• Multipass, MULTIPASS_STORAGE, /Library/Logs/Multipass/multipassd.log, /var/run/multipass_socket, Multipass releases, multipassd