Title: wp_sitemaps_init
Published: August 11, 2020
Last modified: February 24, 2026

---

# do_action( ‘wp_sitemaps_init’, WP_Sitemaps $wp_sitemaps )

## In this article

 * [Description](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#description)
 * [Parameters](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#parameters)
 * [Source](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#wp--skip-link--target)

Fires when initializing the Sitemaps object.

## 󠀁[Description](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#description)󠁿

Additional sitemaps should be registered on this hook.

## 󠀁[Parameters](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#parameters)󠁿

 `$wp_sitemaps`[WP_Sitemaps](https://developer.wordpress.org/reference/classes/wp_sitemaps/)

Sitemaps object.

## 󠀁[Source](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#source)󠁿

    ```php
    do_action( 'wp_sitemaps_init', $wp_sitemaps );
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/sitemaps.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/sitemaps.php#L39)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/sitemaps.php#L39-L39)

## 󠀁[Related](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#related)󠁿

| Used by | Description | 
| [wp_sitemaps_get_server()](https://developer.wordpress.org/reference/functions/wp_sitemaps_get_server/)`wp-includes/sitemaps.php` |

Retrieves the current Sitemaps server instance.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/hooks/wp_sitemaps_init/?output_format=md#changelog)󠁿

| Version | Description | 
| [5.5.0](https://developer.wordpress.org/reference/since/5.5.0/) | Introduced. |

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