debug.getconstant Synchronous

Read one constant stored in a Luau function’s compiled prototype. Use it when inspecting the literal values a function was compiled with.

Syntax

Luau

debug.getconstant(target: DebugTarget, index: number) -> any

Parameters

Function parameters
Parameter	Type	Description
`target`	`DebugTarget`	A Luau function, visible stack level, or ProtoProxy. Indexes in these APIs start at 1.
`index`	`number`	One-based constant slot.

DebugTarget fields

Luau

DebugTarget = Function | number | ProtoProxy

any

The value in that constant slot.

Invalid indexes and C closure targets raise an error.

Luau

local function label() return "ready" end
print(debug.getconstant(label, 1)) -- ready