From 54c49eb8c58fd4ccffa9532004e236a1e97abe23 Mon Sep 17 00:00:00 2001
From: Korina Cordero <cordero.korina@gmail.com>
Date: Wed, 5 Jul 2023 01:38:31 -0400
Subject: [PATCH] Add comment on return value for compute. #744

---
 src/InvoiceRuleInterface.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/InvoiceRuleInterface.php b/src/InvoiceRuleInterface.php
index 2de47dd7..46f0d015 100644
--- a/src/InvoiceRuleInterface.php
+++ b/src/InvoiceRuleInterface.php
@@ -11,5 +11,6 @@ interface InvoiceRuleInterface
     public function validateInvoiceItems($criteria, $invoice_items);
 
     // compute
+    // this returns an array of items or empty array
     public function compute($criteria, &$total);
 }