From e3e44f256f44e43f03e45746e6ba2326293dffab Mon Sep 17 00:00:00 2001
From: Stoyan Stefanov <stoyan@yahoo.com>
Date: Sun, 25 Jun 2023 15:01:02 +0000
Subject: [PATCH] A placeholder to remind folks of the [metric name]

---
 www/assets/js/site.js | 1 +
 www/home.php          | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/www/assets/js/site.js b/www/assets/js/site.js
index 0df24f27b2..fa336e99e6 100644
--- a/www/assets/js/site.js
+++ b/www/assets/js/site.js
@@ -252,6 +252,7 @@ async function initCodeField(source, language = "js") {
   const codeArea = new CodeFlask(codeEl, {
     language,
   });
+  codeArea.elTextarea.placeholder = originalTextarea.placeholder.replace(/\\n/g, '\n');
   codeArea.onUpdate((code) => (hidden.value = code));
   window.codeFlasks[source] = codeArea;
 }
diff --git a/www/home.php b/www/home.php
index 6d43f5245e..e8246a540a 100644
--- a/www/home.php
+++ b/www/home.php
@@ -932,7 +932,7 @@ function enableDisableLHSimple(){
                                                         document.addEventListener('DOMContentLoaded', () => initFileReader('custom_metrics_file', 'custom'));
                                                     </script>
                                                 </p>
-                                                <textarea name="custom" class="large" id="custom" cols="0" rows="0"></textarea>
+                                                <textarea name="custom" class="large" id="custom" cols="0" rows="0" placeholder="[metricname]\nreturn code;"></textarea>
                                             </div>
                                             <div class="notification-container">
                                                 <div class="notification">