diff --git a/client/src/types/client.ts b/client/src/types/client.ts
index 6cc633b..bbc5ce5 100644
--- a/client/src/types/client.ts
+++ b/client/src/types/client.ts
@@ -4,16 +4,22 @@ import type { RageFW_ICustomClientEvent } from 'rage-fw-shared-types'
 
 /**
  * Union of all available client event names
- * These only include custom events
+ * These include custom and system events
  */
-export type RageFW_ClientEvent = keyof RageFW_ICustomClientEvent
+export type RageFW_ClientEvent =
+    | keyof RageFW_ICustomClientEvent
+    | keyof IClientEvents
 
 /**
  * Array of arguments for an event, name of which you pass as a generic
- * These only include custom events
+ * These include custom and system events
  */
 export type RageFW_ClientEventArguments<K extends RageFW_ClientEvent> =
-    Parameters<RageFW_ICustomClientEvent[K]>
+    K extends keyof RageFW_ICustomClientEvent
+        ? Parameters<RageFW_ICustomClientEvent[K]>
+        : K extends keyof IClientEvents
+          ? Parameters<IClientEvents[K]>
+          : never
 
 /**
  * Callback (function) for an event, name of which you pass as a generic
diff --git a/server/src/index.ts b/server/src/index.ts
index 20c6e4b..7595f40 100644
--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -34,7 +34,7 @@ class Server {
         rpc.register(
             eventName,
             async (args: RageFW_ServerEventArguments<EventName>, info) => {
-                callback(info.player as PlayerMp, args)
+                callback([info.player as PlayerMp, ...args])
             },
         )
     }
@@ -43,7 +43,11 @@ class Server {
         eventName: EventName,
         callback: RageFW_ServerEventCallbackNative<EventName>,
     ): void {
-        mp.events.add(eventName, callback)
+        mp.events.add(
+            eventName,
+            (...args: Parameters<IServerEvents[EventName]>) =>
+                callback([...args]),
+        )
     }
 
     public register<EventName extends RageFW_ServerEvent>(
diff --git a/server/src/types/server.ts b/server/src/types/server.ts
index 5f64db6..e7a487b 100644
--- a/server/src/types/server.ts
+++ b/server/src/types/server.ts
@@ -54,8 +54,7 @@ export type RageFW_ServerEventReturn<K extends RageFW_ServerEvent> =
 export type RageFW_ServerEventCallbackCustom<
     K extends keyof RageFW_ICustomServerEvent = keyof RageFW_ICustomServerEvent,
 > = (
-    player: PlayerMp,
-    args: RageFW_ServerEventArguments<K>,
+    payload: [player: PlayerMp, ...args: RageFW_ServerEventArguments<K>],
 ) => RageFW_ServerEventReturn<K>
 
 /**
@@ -64,7 +63,7 @@ export type RageFW_ServerEventCallbackCustom<
  */
 export type RageFW_ServerEventCallbackNative<
     K extends keyof IServerEvents = keyof IServerEvents,
-> = IServerEvents[K]
+> = (payload: Parameters<IServerEvents[K]>) => ReturnType<IServerEvents[K]>
 
 export type _ServerEventHasArgs<
     EventName extends keyof RageFW_ICustomServerEvent,
diff --git a/shared-types/types/types/index.d.ts b/shared-types/types/types/index.d.ts
index 3914b9e..8035480 100644
--- a/shared-types/types/types/index.d.ts
+++ b/shared-types/types/types/index.d.ts
@@ -1,7 +1,11 @@
 declare module 'rage-fw-shared-types' {
-    export interface RageFW_ICustomServerEvent {}
+    export interface RageFW_ICustomServerEvent {
+        test(test: string): void
+    }
 
-    export interface RageFW_ICustomClientEvent {}
+    export interface RageFW_ICustomClientEvent {
+        test(test: string): void
+    }
 
     export interface RageFW_ICustomCefEvent {
         test(test: string): void