diff --git a/Cargo.lock b/Cargo.lock
index cb89c3f..9ca3f9b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -402,6 +402,7 @@ version = "0.2.0"
 dependencies = [
  "aes-gcm",
  "base64 0.21.7",
+ "bevy",
  "igd",
  "local-ip-address",
 ]
diff --git a/crates/bevnet/Cargo.toml b/crates/bevnet/Cargo.toml
index 0399afe..e3dc782 100644
--- a/crates/bevnet/Cargo.toml
+++ b/crates/bevnet/Cargo.toml
@@ -16,3 +16,4 @@ local-ip-address = "0.5.7"
 aes-gcm = "0.10.3"
 base64 = "0.21.7"
 igd = "0.12.1"
+bevy = "0.12.1"
diff --git a/crates/bevnet/src/lib.rs b/crates/bevnet/src/lib.rs
index 42aaa9a..7f79ceb 100644
--- a/crates/bevnet/src/lib.rs
+++ b/crates/bevnet/src/lib.rs
@@ -42,13 +42,14 @@
 //! # }
 //! ```
 
-use std::collections::LinkedList;
+use std::collections::{HashMap, LinkedList};
 use std::io::{self, Read, Write};
 use std::net::{IpAddr, Ipv4Addr, SocketAddrV4, TcpListener, TcpStream};
 
 use aes_gcm::aead::{Aead, AeadCore, KeyInit, OsRng};
 use aes_gcm::{Aes128Gcm, Key, Nonce};
 use base64::prelude::*;
+use bevy::prelude::*;
 use igd::{Gateway, PortMappingProtocol};
 use local_ip_address::local_ip;
 
@@ -367,3 +368,12 @@ impl Drop for Listener {
             .ok();
     }
 }
+
+/// A resource that store the last event id used to register an [Event].
+///
+/// This is used to give an unique id to each event.
+#[derive(Resource, Default)]
+struct LastEventId(u16);
+
+/// An extension trait for the bevy [App] to allow registering network events.
+pub trait NetworkAppExt {}