Update abstract-wc-order.php

Created an action to be able to hook into and add additional notification triggers.

includes/abstracts/abstract-wc-order.php

@@ -2513,6 +2513,8 @@ abstract class WC_Abstract_Order {
 		if ( ! $notification_sent && 'yes' == get_option( 'woocommerce_notify_low_stock' ) && get_option( 'woocommerce_notify_low_stock_amount' ) >= $new_stock ) {
 			do_action( 'woocommerce_low_stock', $product );
 		}
+		
+		do_action( 'woocommerce_after_send_stock_notifications', $product, $new_stock, $qty_ordered );
 	}