WordPress at a glance
function is not described

WP_Customize_Widgets::customize_preview_init() public WP 3.9.0

Adds hooks for the Customizer preview.

It's a method of the class: WP_Customize_Widgets{}

No Hooks.

Return

Null. Nothing.

Usage

$WP_Customize_Widgets = new WP_Customize_Widgets();
$WP_Customize_Widgets->customize_preview_init();

Changelog

Since 3.9.0 Introduced.

Code of WP_Customize_Widgets::customize_preview_init() WP 5.5.1

<?php
public function customize_preview_init() {
	add_action( 'wp_enqueue_scripts', array( $this, 'customize_preview_enqueue' ) );
	add_action( 'wp_print_styles', array( $this, 'print_preview_css' ), 1 );
	add_action( 'wp_footer', array( $this, 'export_preview_data' ), 20 );
}