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ParticleEmitterShape

/reference/engine/enums/ParticleEmitterShape.yaml

An object that runs connected functions upon a specific occurrence.

Data Type

RBXScriptSignal

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This method is asynchronous and returns an `Operation`, which represents the current state of the operation. It contains an endpoint path that you can poll to obtain the real response and applicable metadata. See the [documentation]({longRunningOperationsLink}) on long-running operations for more information.
            
The following sections describe the response and metadata objects that are provided when an operation completes.

Beta endpoints are ready for public use. Breaking changes are possible but rare.

This field may be set when creating a resource, but may not be modified by subsequent requests.

This field may be provided in requests, but will never be included in responses.

Per API Key: {maxInPeriod} requests every {periodInSeconds} seconds per IP Address

This field may be set on responses, but will be ignored in requests.

The following API key permissions are required to call this endpoint. For more
information on generating proper keys, see [Managing API Keys]({apiKeyReferenceDocLink}).

The following endpoints are available at paths relative to the base URL.

This string is formatted as a [FieldMask](/cloud/reference/types#fieldmask).

A JSON value can be `null`, `boolean`, `string`, `number`, `array`, or `object`.

The following scopes are required for your OAuth 2.0 application to use this endpoint. For more information on how to register an OAuth 2.0 application, see [App Registration and Review]({oauth2ReferenceDocLink}).

The following objects describe payloads that are accepted or returned. See each individual endpoint for more information on when these objects are used.

This string is formatted as a [Timestamp](/cloud/reference/types#timestamp).

This allows viewing information about your assets.

This allows uploading and updating assets to Roblox.

Grants the ability to update badges owned by the user.

This allows viewing information about your commerce items.

This allows editing of your commerce merchant connections.

This allows you to view information about your Creator Store products.

This allows you to modify information about your Creator Store products.

This allows viewing information about your groups.

This allows you to manage group join requests for your account.

This allows viewing information about your inventory.

Grants access to mange your badges and spend robux.

Grants access to manage your developer products.

Grants access to read information about the experiences you follow.

Grants access to follow and unfollow experiences on your behalf.

Grants permission to read group information.

Grants access to read and write your localization tables

Grants access to manage team collaboration for all experiences you own.

Grants access to manage your experiences and certain information associated with your experiences (e.g. localization information).

Grants access to read your experiences' localization information.

Grants access to modify your experiences' localization preferences.

Grants access to manage your user account.

Grants access to modify user localization preferences.

This grants the ability to publish messages on behalf of users.

This allows sending notifications from your experience to users.

This allows listing secrets associated with your experience.

This allows creating and updating secrets associated with your experience.

Grants access to read about your subscription products.

Grants the ability to read place information.

Grants the ability to edit place information.

This operation grants access to publish new versions of experiences to Roblox.

Grants the ability to read experience information.

Grants the ability to edit experience information.

Allows you to view user restrictions in the experience.

Allows you to edit user restrictions in the experience.

Grants the ability to read user's premium and verified status.

This allows you to view a user's social accounts.

This enables Single Sign-On functionality.

This grants access to read your profile information.

Default Value: {defaultValueStart}{defaultValueEnd}

An array is an ordered list of values. Arrays are useful for storing collections of data.

A set of key-value pairs, where the keys can be any number, string, or object.

This function returns immediately if possible, but can yield the thread that called it until it can return a value.

{nameStart}name{nameEnd} is no longer supported or maintained by Roblox.

This math operation is no longer supported or maintained by Roblox.

This member doesn’t appear in the object browser and is not intended for widespread use.

This member is only accessible only through the command bar. Attempting to access this member from scripts causes an error.

This function can’t pause the Lua thread that called it.

Attempting to access this member in scripts causes an error. You might be able to access this member from Roblox Studio's property window.

This member doesn’t appear in Roblox Studio’s Object Browser.

You can’t create an instance of this class with the Instance.new constructor.

Roblox does not replicate this member across its server-client boundary.

Lua code can’t access this member. You might be able to change its value from the property window in Roblox Studio.

This member is accessible from OpenCloud Luau execution tasks.

This object’s replication behavior is dependent on the player who owns it.

This member is accessible through the command bar and plugins. Attempting to access this member from scripts causes an error.

This member is read only. Attempting to write to this member causes an error.

This property is read-only and is safe to read in unsynchronized threads. Attempting to write to it causes an error.

This member is accessible only in CoreScripts.

Only Roblox CoreScripts can access this member, and it isn’t usable by Players.

You can read and write to this property safely from multiple threads.

This class is a top-level singleton. Retrieve an instance of this class with the GetService function.

Multiple threads can potentially write to this property, so it’s unsafe to read from unsynchronized threads.

This function pauses the Lua thread that called it until it returns a result. This doesn’t interrupt other scripts.

Learn how to create successful content on Roblox with comprehensive guides, code samples, reference, and tutorials.


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Buildings and Props

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Converting to Accessory

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Core Curriculum

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Create Basic Visual Effects

Create Player Hazards

Create Your First Experience

Create a Coin Collection Mechanic

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Creating Flickering Lights

Creating Health Pickups

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Creating Neon Signs

Creating Part Interfaces

Creating Player Tools

Creating Private Servers

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Creating Score Bars

Creating Seams and Unwrapping

Creating Spinning Objects

Creating Teams

Creating Volcanoes

Creating Waterfalls

Creating a GUI

Creating a Health Pickup

Creating a Score Bar

Creating a Script

Creating a Sparkler

Creating a Texture Map

Creating an Animation

Creating and Publishing

Creating the Map

Creating with Module Scripts

Creation Overview

Creator Affiliate Pilot Program

Creator Events

Creator Fund

Creator Spotlights

Creator Store

Cross-Platform Design

Cross-Server Messaging

Current Release

Curve Editor

Custom

Custom Events

Custom Fields

Custom Particle Effects

Custom Thumbnails

Custom Translations

Customization

Customize Global Lighting

Customize and Share

Customizing In-Experience Text Chat

Cylindrical

DMCA Guidelines

Dashboards

Data Model

Data Stores

Data Structures

Data Types

Deadly Lava

Debugging

Deep Linking

Designing Dark Soundscapes

Designing Educational Experiences

Designing For Roblox

Designing Poses

Designing Your Speeder

Designing a Map

Designing for Performance

Design the World

Detecting Hits

Detecting User Input

Develop Polished Assets

Developer Awards

Developer Console

Developer Products

Developing a Moving World

Develop v1

Develop v2

Dictionaries and Arrays

Digital Citizenship

Disabling Default UI

Disabling Default UI Elements

Discovery

Drag Detectors

Duplicate and Design

Dynamic Effects

Earning on Roblox

Economy

Economy Creator Stats

Economy Events

Educator Onboarding

Effects

Else/If Practice - Giving Points

Embedding and Exporting Textures

Emote Bar

Emotes

Ending Matches

Engagement

Engagement-Based Payouts

Engagement Payouts

Engine API Reference

Engine Instances

Enhancing Indoor Environments

Enhancing Outdoor Environments

Enhancing Outdoor Environments with Future Lighting

Enums

Environment

Environmental Art

Environments

Error Codes and Limits

Error Report

Errors

Event Organizers

Event Sequencer

Event Types

Events

Events Platform

Experience Events

Experience Guidelines

Experience Icons

Experience Notifications

Experience Thumbnails

Experienced Content

Experiences

Explorer Window

Export Settings

Exporting

Exporting Animations

Exporting Animations from Maya

Exporting Character Model

Exporting FBX

Exporting FBX from Blender

Exporting from Blender

External Catalog Queries

External Tools

Extra Head Objects

FACS Poses Reference

Fading Trap

Featured Content

Features

Final Checks

Finishing Projects

Finishing and Add More

Finishing the Project

Finish the Blast

Finish the Challenge

Fitting and Conversion

Followings v1

Followings v2

Foundational Gameplay Systems

Frames

Frequently Asked Questions

Friend Invite Reward System

Friends

Friends Locator

Functions

Functions and Events

Funnel Events

Galactic Speedway

Game Fund

Game Internationalization v1

Game Internationalization v2

Game Join

Game Settings

Gamepad

Gameplay Scripting

Games v1

Games v2

Get Off the Ground

Get Started

Getting Featured on Roblox Owned Channels

Getting Started

Getting Started for Developers

Global Lighting

Global Wind

Globals

Glowing Lights with For Loops

Go Beyond the Challenge

Going for a Race

Go to Educator Onboarding

Greybox Your Environment

Greybox a Playable Area

Grids and Tables

Grouping the Parts

Groups

Groups v1

Groups v2

Growing Your Audience

Guidelines

Handling Requests

Hash Map

Heads

Highlighting

Hinge

Hit Detection with Lasers

Home Tab

Icons and Thumbnails

Identifying Issues

If/then Practice - Power ups

If/then Practice - Traps

Immersive Ads

Immersive Narrative

Implement Designs in Studio

Implementation

Implementing Blaster Behavior

Implementing Player Data and Purchasing Systems

Importing PBR Textures

Importing into Studio

Improving Performance

In Blender

In-Experience Asset Creation

In-Experience Tools

In-Experience UI

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In-Game Sounds

In Studio

Input

Input and Camera

Inspire

Installation and Setup

Instance

Instance Attributes

Instance Streaming

Intellectual Property

Interactive

Interactive Buttons

Interfaces on Parts

Intermediate Gameplay

Introduction to Scripting

Intro to Arrays

Intro to Dictionaries

Intro to Digital Civility

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Intro to Game Design and Coding

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Intro to Module Scripts

Intro to Roblox

Inventory

Inventory v1

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Invite Friends

Invite Friends to Play

Island Terrain

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Item Configuration

Labels

Language Codes

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Layout Structures

Layout and Appearance

Layout and Design

Leaderboards

Learn & Explore Sort

Legacy Chat System

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Lighting

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List and Flex Layouts

List of Roblox Educators

LiveOps Essentials

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Loops

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Models

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Multi-Threading

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NPC Kit

Name and Health Display

Native Code Generation

Nesting Loops

Network Ownership

Next Steps

NoCollision

Nominating for the Discover Page

Notable Translators Program

Notifications

Numbers

OAuth 2.0

Object Properties

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Observability

On-Screen UI

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Onboarding

Onboarding Techniques

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Operators

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Packages

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Parents and Children

Particle Emitters

Parts

Passes

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Per-Partition Limits

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Photo Booth

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Plane

Planning for Educational Settings

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Platform Overview

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Player Referral System

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Playing Background Music

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Playing on Roblox

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Premium Features

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Price Optimization

Prismatic

Private Messages

Private Servers

Products

Profile Card

Project Cleanup

Project Setup

Projects

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Prompt Guide and Examples

Properties Window

Properties and Attributes

Prototyping

Proximity Prompts

Publish

Publishing

Publishing Eyebrows and Eyelashes

Publishing to Marketplace

Quest Design

Queue

Queues

Quick Access Tools

R6 to R15 Adapter

Randomized Virtual Items Policy

Raycasting

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Record and Display Player Data

Reference Assets

Reference Files

Registration

Release Notes for 624

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Remote

Removing Extra Bones

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Retention

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Rich Text Markup

Rig Builder

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Search Ads

Season Pass Design

Security Tactics and Cheat Mitigation

Selfie Mode

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Services

Setting Up Mesh

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Setting Up a Roblox Classroom

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Sharing Your Speeders

Size Modifiers and Constraints

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Skyboxes

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Social Interactions

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Sorted Map

Sound

Sound Design

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Spawn With Friends

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Specifications

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Spring

Stacks

Standard Data Stores

Start Coding

Story Games

Streaming

Streaming in Immersion

Strings

Studio

Studio Interface

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Subscription Design

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Tables

Tag Reference

Tag Table

Take Flight

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Teams

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Teleporting

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Test Tab

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Texture Generator

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Textures and Decals

Texturing

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The Mystery of Duvall Drive

The Storm

Third-Party Analytics Services

Third-Party Software

Thumbnails

Thumbnails Resizer

Timed Bridge For Loops

Timers and Events

Tips and Settings

Today's Picks on Home

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Toolbox

Tools

Torque

TorsionSpring

Trades

Trails

Translating Dynamic Content

Translating Experience Page Information

Translating In-Experience Content

Translation Roles

Trimming Clothing Shape

Tuples

Two Step Verification

Type Checking

Type Coercion

Types

Types and Locations

UI Animation

UI Animation/Tweens

UI Drag Detectors

UI Objects

UI and UX

Unit Lessons

Universal

Upload and Publishing

Uploading and Publishing

Uploading your Asset

User Advertisements

User Interface

User Interface Design

User Interfaces

User Inventories

Userdata

Users

Using Animations

Using Heads in Studio

Using Information with Parameters

Using MicroProfiler

Using Particles for Actions

Using Particles for Explosions

Using Studio's 3D Importer

Using Textures

Using the Accessory Fitting Tool

VR Guidelines

Validation Tool

Variables

Variables & Objects

VectorForce

Verifying Attachments

Video Assets

Video Frames

View Tab

Voice Chat

Walkthrough

Weapons Kit

Webhook Notifications

Weld

Wireframe Your Layouts

Working With Translators

Working in Teams

Writing the Story

Xbox Guidelines