Functions
Over 300 built-in functions for controlling objects, communication, math, and more.
LSL Reference
Complete reference documentation for LSL (Linden Scripting Language), Second Life’s classic scripting language. This section provides detailed specifications for all functions, events, constants, and language features.
Reference Sections
Section titled “Reference Sections”Events
Event handlers that respond to touches, collisions, timers, messages, and world changes.
Constants
Predefined constants for vectors, rotations, permissions, and system values.
Function Categories
Section titled “Function Categories”Functions are organized by purpose for easier navigation:
Object & Prim Control
Section titled “Object & Prim Control”- Appearance - Colors, textures, transparency, glow
- Movement - Position, rotation, physics, forces
- Properties - Name, description, scale, shape
Communication
Section titled “Communication”- Chat - Local chat, shout, whisper, region say
- Dialog - Menus, text boxes, notifications
- HTTP - Web requests, webhooks, external services
- Email - Send and receive email
Avatar Interaction
Section titled “Avatar Interaction”- Sensors - Detect nearby avatars and objects
- Permissions - Request and check permissions
- Animation - Start and stop avatar animations
- Attachments - Work with worn items
Data & Math
Section titled “Data & Math”- Math - Trigonometry, random numbers, rounding
- String - Text manipulation and parsing
- List - List operations and searches
- Type Conversion - Convert between types
Effects & Media
Section titled “Effects & Media”- Particles - Particle systems and effects
- Sound - Play sounds and music
- Light - Point lights and projection
- Media - Web media on a prim
Advanced Features
Section titled “Advanced Features”- Experience - Experience tools and permissions
- Inventory - Access object inventory
- Notecard - Read notecard contents
- Region - Query region and parcel info