What you'll need
- Mio Universal Channels needs to be installed as an app for both external organizations to chat from their preferred platform.
Retrieve the invite link of a universal channel
In a direct message with the Mio Universal Channels Bot, send "menu". Click My Channels.
Select which channel you want to retrieve the link from and click View.
Copy and paste the link to invite others to the channel. The URL should start with app.m.io/uc/...