Babel-Interface.md

 # Babel Interface — Visualization Protocol
 
-This project does not expose a Babel protocol interface, or interface documentation is not yet available.
+## Overview
+
+Visualization Protocol is a Babel protocol that integrates
+with the [Babel framework](https://codelab.fct.unl.pt/di/research/tardis/wp6/babel/babel-core)
+for distributed protocol development.
+It extends `GenericProtocol`.
+
+## Notifications Emitted
+
+| — | — |
+_None detected._
+
+## Notifications Consumed
+
+| — | — |
+_None detected._
+
+## Requests Handled
+
+| — | — |
+_None detected._
+
+## Timers
+
+| — | — |
+_None detected._
+
+## Channel Events
+
+Standard Babel TCP channel events handled:
+- `OutConnectionUp` — outgoing connection established
+- `OutConnectionDown` — outgoing connection lost
+- `OutConnectionFailed` — outgoing connection attempt failed
+- `InConnectionUp` — incoming connection established
+- `InConnectionDown` — incoming connection lost
+
+## Subscribing to This Protocol
+
+To receive notifications from `Visualization Protocol` in another Babel protocol:
+
+```java
+// In your protocol's init() method:
+subscribeNotification(SomeNotification.ID,
+    this::uponSomeNotification);
+
+// Handler method:
+private void uponSomeNotification(
+        SomeNotification notif, short emitterId) {
+    // handle notification
+}
+```
+
+
+---
+
+## License
+
+This project is licensed under the [MIT License](LICENSE) — see the `LICENSE` file
+in the repository for the full text.
+
+Copyright © 2021–2026 [Computer Systems Group, NOVA LINCS](https://novasys.di.fct.unl.pt/)
+at [FCT-UNL](https://www.fct.unl.pt/).
+Developed in the context of the [TaRDIS](https://project-tardis.eu/) European Project
+(EU Horizon 2020, Grant Agreement No. 101016175).
+Also see: [NOVA LINCS](https://nova-lincs.di.fct.unl.pt/) |
+[TaRDIS on CORDIS](https://cordis.europa.eu/project/id/101016175)