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filter is not described

cron_schedules filter-hook . WP 2.1.0

Filters the non-default cron schedules.

Usage

add_filter( 'cron_schedules', 'filter_function_name_6523' );
function filter_function_name_6523( $new_schedules ){
	// filter...

	return $new_schedules;
}
$new_schedules(array)
An array of non-default cron schedules.
Default: ''

Where the hook is called

wp_get_schedules()
wp-includes/cron.php 439
return array_merge( apply_filters( 'cron_schedules', array() ), $schedules );

Where the hook is used (in WP core)

Does not used.