Overview
This filter allows you to modify the interval of scheduled cronjob time to 1 minute, the default interval time is 5 minutes.
Example
add_filter('wp_sms_pro_scheduled_interval', 'modifyScheduledInterval');
/**
* @param $interval int
* @return int
*/
function modifyScheduledInterval($interval)
{
$interval = 1 * 60;
return $interval;
}