Customize Action Scheduler Retention Period

/* Customize the Action Scheduler Retention Period  

 * 

 * Original doc: https://wpmailsmtp.com/docs/how-to-troubleshoot-action-scheduler-issues-wp-mail-smtp-2-1-1/

*/

function custom_as_retention_period() {

	// Changes default 30-day retention to 7-days

    return WEEK_IN_SECONDS;

}

add_filter( 'action_scheduler_retention_period', 'custom_as_retention_period' );