Title: WP_Customize_Selective_Refresh::init_preview
Published: April 12, 2016
Last modified: April 28, 2025

---

# WP_Customize_Selective_Refresh::init_preview()

## In this article

 * [Source](https://developer.wordpress.org/reference/classes/wp_customize_selective_refresh/init_preview/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_customize_selective_refresh/init_preview/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_customize_selective_refresh/init_preview/?output_format=md#changelog)

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

Initializes the Customizer preview.

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

    ```php
    public function init_preview() {
    	add_action( 'template_redirect', array( $this, 'handle_render_partials_request' ) );
    	add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_preview_scripts' ) );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/customize/class-wp-customize-selective-refresh.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/customize/class-wp-customize-selective-refresh.php#L146)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/customize/class-wp-customize-selective-refresh.php#L146-L149)

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

| Uses | Description | 
| [add_action()](https://developer.wordpress.org/reference/functions/add_action/)`wp-includes/plugin.php` |

Adds a callback function to an action hook.

  |

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

| Version | Description | 
| [4.5.0](https://developer.wordpress.org/reference/since/4.5.0/) | Introduced. |

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