diff --git a/107.md b/107.md
index 0bcac5b..030d56d 100644
--- a/107.md
+++ b/107.md
@@ -26,23 +26,32 @@ Where the `user` registers 'device'(s) and its keys, then updates the `device`(s
 
 ### Device
 
-The `device` uses a client like <a href="https://github.com/lnbits/arduino-nostr">nostr-arduino</a> to receive commands from the `user` or another `device`. 
+The `device` uses a client like <a href="https://github.com/lnbits/arduino-nostr">nostr-arduino</a> to receive commands from the `user` or another `device`.
 The `device` can also push data such as sensor readings and updates.
 
-## `User` OR `device` registering/updating a `user` OR `device`
+## Events
 
 A `device` or a `user` can publish these event kinds:
 | Kind    |                  | Description                                                                                                   | NIP                                     |
 |---------|------------------|---------------------------------------------------------------------------------------------------------------|-----------------------------------------|
-| `4    ` | `direct_message` | Communicate between two `devices` or between a `device` and a `user`.<br/>The messages must be a JSON following the structure defined In this NIP. | [NIP04](https://github.com/nostr-protocol/nips/blob/master/04.md) |
+| `4    ` | `direct_message` | Communicate between two `devices` or between a `device` and a `user`.<br/>The messages must be a JSON following the structures defined In this NIP. | [NIP04](https://github.com/nostr-protocol/nips/blob/master/04.md) |
 
+### Messages
+JSON messages that represent different actions or states can be exchanged between two or more `devices` or between `users` and `devices`.
+Each `JSON` message `MUST` have a `type` field indicating the what the JSON represents. Possible types:
 
-### Event: Register a `device`
+| Message Type | Sent By        | Description      |
+|--------------|----------------|------------------|
+| 0            | User           | Configure Device |
+| 1            | User \| Device | Command          |
+| 2            | Device         | State Data       |
+
+### Event: Configure `device`
 
 **Event Content**:
 ```json
 {
-    "id": <String, UUID generated by the user.Sequential IDs (`0`, `1`, `2`...) are discouraged>,
+    "type": <String, UUID generated by the user.Sequential IDs (`0`, `1`, `2`...) are discouraged>,
     "device_id": <String, UUID of the device>,
     "name": <String, device name>,
     "description": <String (optional), device description>,