diff --git a/client/functions.lua b/client/functions.lua
new file mode 100644
index 0000000..c409023
--- /dev/null
+++ b/client/functions.lua
@@ -0,0 +1,30 @@
+-- Callbacks
+
+function QBCore.Functions.CreateClientCallback(name, cb)
+    QBCore.ClientCallbacks[name] = cb
+end
+
+function QBCore.Functions.TriggerCallback(name, ...)
+    local cb = nil
+    local args = { ... }
+
+    if QBCore.Functions.IsFunction(args[1]) then
+        cb = args[1]
+        table.remove(args, 1)
+    end
+
+    QBCore.ServerCallbacks[name] = {
+        callback = cb,
+        promise = promise.new()
+    }
+    TriggerServerEvent('QBCore:Server:TriggerCallback', name, table.unpack(args))
+    if cb == nil then
+        Citizen.Await(QBCore.ServerCallbacks[name].promise)
+        return QBCore.ServerCallbacks[name].promise.value
+    end
+end
+
+function QBCore.Functions.GetPlayerData(cb)
+    if not cb then return QBCore.PlayerData end
+    cb(QBCore.PlayerData)
+end
\ No newline at end of file