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Analysis

FiveM CitizenFX Lua Runtime Table Inspection & Server Event Sniffer [v2.4 Technical Discussion]

fivem_native_coder
Lua Scripter
MEMBER
Rep: 64
Join Date: Jun 2019
Posts: 20
Thanks: 48
1 months ago ยท Jul 19, 2026 10:21 PM
#1

How to intercept and log all networked server events in FiveM:

In CitizenFX Lua environment:

LUA
local originalTriggerServerEvent = TriggerServerEvent
TriggerServerEvent = function(eventName, ...)
    local args = {...}
    print("[EVENT SNIFFER] Client -> Server: " .. tostring(eventName) .. " | Args: " .. json.encode(args))
    return originalTriggerServerEvent(eventName, ...)
end

Reveals economy deposit events (esx_billing:payBill, qb-banking:server:deposit) and admin trigger calls in real-time!

hook_doctor
Hooking Specialist
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Rep: 181
Join Date: Jul 2019
Posts: 21
Thanks: 50
1 months ago ยท Jul 20, 2026 1:47 AM
#2

Hooking TriggerServerEvent in the Lua state exposes every networked RPC event. Great for auditing server security.

val_driver_guy
Driver Dev
MEMBER
Rep: 42
Join Date: May 2019
Posts: 24
Thanks: 37
1 months ago ยท Jul 20, 2026 3:23 PM
#3

Very powerful tool for FiveM server developers to patch unauthorized event triggers.