WordPress at a glance
filter is not described

action_scheduler_async_request_sleep_seconds filter-hook . WC 1.0

Chaining async requests can crash MySQL. A brief sleep call in PHP prevents that.

Usage

add_filter( 'action_scheduler_async_request_sleep_seconds', 'filter_function_name_4518', 10, 2 );
function filter_function_name_4518( $5, $that ){
	// filter...

	return $5;
}
$5
-
$that
-

Where the hook is called

ActionScheduler_AsyncRequest_QueueRunner::get_sleep_seconds()
action_scheduler_async_request_sleep_seconds
woocommerce/packages/action-scheduler/classes/ActionScheduler_AsyncRequest_QueueRunner.php 95
return apply_filters( 'action_scheduler_async_request_sleep_seconds', 5, $this );

Where in WP core the hook is used WooCommerce

Usage not found.