QBCore Functions Library - QBCore Guide for FiveM
Introduction
This tutorial turns QBCore Functions Library into a clean, developer-friendly guide for QBCore/FiveM. You will follow a step-by-step flow, copy the relevant code patterns, and learn the “why” behind the setup.
Requirements
- QBCore installed and running on a dev server
- Basic Lua knowledge and comfort reading FiveM patterns
- A test workflow for iterating safely (dev server, not production)
- Optional: a code editor with Lua/FiveM helpers (VS Code recommended)
Step-by-Step Guide
Step 1: Getting QBCore Object
In this step, you will apply the getting qbcore object concept as a practical change: define the pieces, wire them together, then verify the behavior in your dev server.
Step 2: Player Functions
In this step, you will apply the player functions concept as a practical change: define the pieces, wire them together, then verify the behavior in your dev server.
Step 3: QBCore.Functions.GetPlayer(source)
In this step, you will apply the qbcore.functions.getplayer(source) concept as a practical change: define the pieces, wire them together, then verify the behavior in your dev server.
Step 4: QBCore.Functions.GetPlayerByCitizenId(citizenid)
In this step, you will apply the qbcore.functions.getplayerbycitizenid(citizenid) concept as a practical change: define the pieces, wire them together, then verify the behavior in your dev server.
Step 5: QBCore.Functions.GetOfflinePlayer(citizenid)
In this step, you will apply the qbcore.functions.getofflineplayer(citizenid) concept as a practical change: define the pieces, wire them together, then verify the behavior in your dev server.
Step 6: QBCore.Functions.GetPlayerByPhone(phone)
In this step, you will apply the qbcore.functions.getplayerbyphone(phone) concept as a practical change: define the pieces, wire them together, then verify the behavior in your dev server.
Step 7: QBCore.Functions.GetQBPlayers()
In this step, you will apply the qbcore.functions.getqbplayers() concept as a practical change: define the pieces, wire them together, then verify the behavior in your dev server.
Step 8: QBCore.Functions.CreateUseableItem(item, cb)
In this step, you will apply the qbcore.functions.createuseableitem(item, cb) concept as a practical change: define the pieces, wire them together, then verify the behavior in your dev server.
Code Example
local Player = QBCore.Functions.GetPlayer(source)
if Player then
print('Player found:', Player.PlayerData.charinfo.firstname)
else
print('Player not found')
endTips & Best Practices
- Keep authority on the server: validate inputs before money/database operations.
- Start with one resource/module at a time, then refactor after you verify it works.
- Use callbacks for request/response flows and events for push/UX updates.
- When you run loops, avoid freezes: always yield with Wait() (client/server) and cache hot values.