---
title: "setarg | open.mp"
description: "Set an argument that was passed to a function."
canonical: https://omp.itsneufox.com/docs/scripting/functions/setarg
language: en
---

# setarg

## Description

Set an argument that was passed to a function.

| Name | Description |
| --- | --- |
| arg | The argument sequence number. Use 0 for the first argument. |
| index | The index (if the argument is an array) _(optional=0)_ |
| value | The value to set the argument to. |

## Returns

**1** on success and **0** if the argument or the index are invalid.

## Related Functions

-   [getarg](https://omp.itsneufox.com/docs/scripting/functions/getarg): Retrieve an argument from a variable argument list.
-   [numargs](https://omp.itsneufox.com/docs/scripting/functions/numargs): Return the number of arguments.