Publishing Points
The Publish page manages outbound publishing points — the "source" side of a publish / subscribe pairing.
Menu path: System → Publish (requires Publishing Points → Publishing Point Administrator).

Detailed Guide Coming Soon
A full walk-through of publishing point configuration — including collection selection, field mapping, authentication tokens, and subscriber whitelisting — is currently being written.
In the meantime, contact eConnect support at support@econnect.tv or call 702-523-8786 for help setting up publishing points.