Step by step:
In your Webex Teams spaces, find the direct message with the Mio Universal Channels Bot. Type and send create.
The bot will reply with a card in which you can name your universal channel.
Type in your desired channel name and select Create channel →.
You should see a direct message from the new channel you created.
That's it! You have successfully created your first universal channel!
Finding the invite link later
If you need to retrieve an invite link to a specific universal channel, go back to the Mio Universal Channels bot and type and send invite.
You'll be given a drop down list of all the universal channels you created. Select the channel you're looking for.