Northset posts sprint briefs to a channel you choose, and messages the one person who can fix a risk before it lands. You'll pick the channel on the next page.
Northset asks for permission to post messages, read your channel list, join the channel you pick, and see who is in the workspace.
Not an admin?
Some workspaces need an admin to approve new apps. Send them this link — it finishes the same install, on the same account, so you don't have to start over.