diff --git a/package/client/resource/callback/index.ts b/package/client/resource/callback/index.ts
new file mode 100644
index 0000000..033b8b1
--- /dev/null
+++ b/package/client/resource/callback/index.ts
@@ -0,0 +1,53 @@
+import { cache } from '../cache';
+
+const activeEvents: Record<string, Function> = {};
+
+onNet(`__ox_cb_${cache.resource}`, (key: string, ...args: any) => {
+  const resolve = activeEvents[key];
+  return resolve && resolve(...args);
+});
+
+const eventTimers: Record<string, number> = {};
+
+export function eventTimer(eventName: string, delay: number | null) {
+  if (delay && delay > 0) {
+    const currentTime = GetGameTimer();
+
+    if ((eventTimers[eventName] || 0) > currentTime) return false;
+
+    eventTimers[eventName] = currentTime + delay;
+  }
+
+  return true;
+}
+
+export function triggerServerCallback(eventName: string, delay: number | null, ...args: any) {
+  if (!eventTimer(eventName, delay)) return;
+
+  let key: string;
+
+  do {
+    key = `${eventName}:${Math.floor(Math.random() * (100000 + 1))}`;
+  } while (activeEvents[key]);
+
+  emitNet(`__ox_cb_${eventName}`, cache.resource, key, ...args);
+
+  return new Promise((resolve) => {
+    activeEvents[key] = resolve;
+  });
+}
+
+export function onServerCallback(eventName: string, cb: (...args: any) => any) {
+  onNet(`__ox_cb_${eventName}`, (resource: string, key: string, ...args: any) => {
+    let response: any;
+
+    try {
+      response = cb(...args);
+    } catch (e: any) {
+      console.error(`an error occurred while handling callback event ${eventName}`);
+      console.log(`^3${e.stack}^0`);
+    }
+
+    emitNet(`__ox_cb_${resource}`, key, response);
+  });
+}
diff --git a/package/client/resource/index.ts b/package/client/resource/index.ts
index 307b137..ae0f429 100644
--- a/package/client/resource/index.ts
+++ b/package/client/resource/index.ts
@@ -9,5 +9,5 @@ export * from './interface/textui';
 export * from './interface/skillcheck';
 
 export * from './streaming';
-
 export * from './vehicleProperties';
+export * from './callback';
diff --git a/package/server/resource/callback/index.ts b/package/server/resource/callback/index.ts
new file mode 100644
index 0000000..6b99036
--- /dev/null
+++ b/package/server/resource/callback/index.ts
@@ -0,0 +1,38 @@
+import { cache } from '../cache';
+
+const activeEvents: Record<string, Function> = {};
+
+onNet(`__ox_cb_${cache.resource}`, (key: string, ...args: any) => {
+  const resolve = activeEvents[key];
+  return resolve && resolve(...args);
+});
+
+export function triggerClientCallback(eventName: string, playerId: number, ...args: any) {
+  let key: string;
+
+  do {
+    key = `${eventName}:${Math.floor(Math.random() * (100000 + 1))}:${playerId}`;
+  } while (activeEvents[key]);
+
+  emitNet(`__ox_cb_${eventName}`, playerId, cache.resource, key, ...args);
+
+  return new Promise((resolve) => {
+    activeEvents[key] = resolve;
+  });
+}
+
+export function onClientCallback(eventName: string, cb: (playerId: number, ...args: any) => any) {
+  onNet(`__ox_cb_${eventName}`, (resource: string, key: string, ...args: any) => {
+    const src = source;
+    let response: any;
+
+    try {
+      response = cb(src, ...args);
+    } catch (e: any) {
+      console.error(`an error occurred while handling callback event ${eventName}`);
+      console.log(`^3${e.stack}^0`);
+    }
+
+    emitNet(`__ox_cb_${resource}`, src, key, response);
+  });
+}
diff --git a/package/server/resource/index.ts b/package/server/resource/index.ts
index 5e18712..fbce843 100644
--- a/package/server/resource/index.ts
+++ b/package/server/resource/index.ts
@@ -1,2 +1,4 @@
 export * from './acl';
 export * from './locale';
+export * from './callback';
+export * from './version';