do_action( 'customize_register', WP_Customize_Manager $manager )

Fires once WordPress has loaded, allowing scripts and styles to be initialized.

Parameters

Used By
Used By	Description
wp-includes/theme.php: _wp_customize_publish_changeset()	Publishes a snapshot’s changes.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::wp_loaded()	Registers styles/scripts and initialize the preview of each setting

Changelog
Version	Description
3.4.0	Introduced.