woocommerce-order-failed-notification-by-sms-part2.php

<?php
function send_sms_order_not_complete($orderid){
  
	// Our order
	$order = new WC_Order($orderid);
	
	// When after 10min our order hasn't got the completed status...
  if( $order->get_status() != 'completed' ){
    // We send out a message through either a notification or SMS api.
  }
  
}
add_action( 'send_sms_if_order_failed', 'send_sms_order_not_complete', 10, 1 );