To add your private channel to this page, first invite @marvin and say (for example):
@marvin make-invite :soccer: #random Futbol! Arrange games, talk about soccer
Marvin will post a message to the channel you specified (
#random) and people can join in one of two ways:
To remove a channel from this list, use
@marvin revoke-invite - this command will cancel all invitations to the channel you use it in.
Invitations sent to a private channel will not show up on the web interface; you must react to the message in Slack.