diff --git a/sf_notifier/helpers.py b/sf_notifier/helpers.py
index 9715545..6965b70 100644
--- a/sf_notifier/helpers.py
+++ b/sf_notifier/helpers.py
@@ -66,3 +66,9 @@
         fields.append(_format_description(alert, add_links))
         fields.append(alert['labels'])
     return fields, action
+
+
+def is_true(name):
+    if isinstance(name, str):
+        return name.lower() == 'true'
+    return name is True