do_action( 'start_previewing_theme', WP_Customize_Manager $this )

Fires once the Customizer theme preview has started.

Parameters

$this

(WP_Customize_Manager) WP_Customize_Manager instance.

Source

File: wp-includes/class-wp-customize-manager.php

View on Trac

Changelog

Version Description
3.4.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/start_previewing_theme