WordPress at a glance
action is not described

wp_body_open action-hook . WP 5.2.0

Triggered after the opening body tag.

Usage

add_action( 'wp_body_open', 'action_function_name_7749' );
function action_function_name_7749(){
	// action...
}

Changelog

Since 5.2.0 Introduced.

Where the hook is called

wp_body_open()
wp_body_open
wp-includes/general-template.php 2916
do_action( 'wp_body_open' );

Where in WP core the hook is used

wp-includes/default-filters.php 540
add_action( 'wp_body_open', 'wp_admin_bar_render', 0 );