Roblox Engine API reference
Popular classes
Instance, Workspace, Players, Player, BasePart, Part, MeshPart, Model, Humanoid, Camera, DataStoreService, TweenService, RunService, ReplicatedStorage, ServerScriptService, RemoteEvent, UserInputService, ContextActionService, MarketplaceService, HttpService, TextChatService, Lighting, SoundService, ScreenGui, TextLabel, TextButton, Frame, UIListLayout, ProximityPrompt, Tool