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action is not described

(hook) action-hook . WP 2.1.0

Fires scheduled events.

Usage

add_action( '(hook)', 'action_function_name_5601' );
function action_function_name_5601( $hook ){
	// action...
}
$hook(string)
Name of the hook that was scheduled to be fired.

Changelog

Since 2.1.0 Introduced.

Where the hook is called

In file: /wp-cron.php
(hook)
wp-cron.php 138
do_action_ref_array( $hook, $v['args'] );

Where in WP core the hook is used WordPress

Usage not found.