WordPress at a glance
filter is not described

get_schedule filter-hook . WP 5.1.0

Filter the schedule for a hook.

Usage

add_filter( 'get_schedule', 'filter_function_name_9516', 10, 3 );
function filter_function_name_9516( $schedule, $hook, $args ){
	// filter...

	return $schedule;
}
$schedule(string/true/false)
Schedule for the hook. False if not found.
$hook(string)
Action hook to execute when cron is run.
$args(array)
Optional. Arguments to pass to the hook's callback function.

Changelog

Since 5.1.0 Introduced.

Where the hook is called

wp_get_schedule()
get_schedule
wp-includes/cron.php 867
return apply_filters( 'get_schedule', $schedule, $hook, $args );

Where the hook is used (in WP core)

Usage not found!