debug.setname

Sets the debug name of a function.

Syntax

debug.setname(fn: function, name: string) -> nil

Parameters

Parameter	Type	Description
`fn`	`function`	The function or callback to use.
`name`	`string`	The name used for the lookup or new object.

Returns

Type	Description
`nil`	This function does not return a value.

Description

debug.setname is part of the Debug library. The debug library exposes the internals of the active Luau state, including protos, constants, upvalues and stack frames.

The change is applied directly to the live target, so later reads observe the updated value.

The aliases setname(fn, name) resolve to the same implementation.

Example

local fn = function() end
debug.setname(fn, "CustomName")
print(debug.info(fn, "n"))

Notes

Aliases: setname(fn, name).
Writing protos, constants or upvalues can corrupt a running function; test changes carefully.