For some odd reason when trying to get the vec of mention_channels from Message, it will return None if there is other text in the message. If there is no text in the message and only a channel mention, then it will return.

While the lib doesn't currently support voice, it would still be proper to handle voice state updates. The logic to do so should be here, and the docs for it are here.

The voice server update event should also probably be implemented. A

The command name (the trigger), description, and callback