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Source: Roblox Creator Hub · CC BY 4.0 · View source · Code samples: MIT Imported 2026-10-03. Formatting adapted for this site.

Functions and events

Series description

Use functions and events to make code run when you want, as often as you want. With functions and events you can set up traps, buttons, health pickups, and more.

Covered in this course are functions, parameters, arguments, and returning values.

Objectives and prerequisites

Learning Objectives	Learn to place code into reusable chunks called functions. `Understand what it means for code to be "in scope". Set up events within a game and use them to tell the functions when to run. Practice using functions and events to create traps and buttons. </td>`
Prerequisites	Basic knowledge of Roblox Studio such as moving and rotating parts. Previous experience creating Script objects and using variables, properties, and strings.

Series Contents

Article	Description
[Code a function](/docs/roblox-tutorials-fundamentals-coding-2-code-a-function)	Set up chunks of code in a way that only runs when you tell it to run.
[Use parameters and events](/docs/roblox-tutorials-fundamentals-coding-2-use-parameters-and-events)	How to code a function when you don't have all of the information yet.
[Parameters practice - buttons](/docs/roblox-tutorials-fundamentals-coding-2-parameters-practice-buttons)	Practice using events and parameters by making a bridge appear in-world with the push of a button.
[Multiple parameters and arguments](/docs/roblox-tutorials-fundamentals-coding-2-multiple-parameters-and-arguments)	Pass multiple pieces of information into a function at once.