From 5a94e0a668c2b24888f5804dfd6920aad6bcee0d Mon Sep 17 00:00:00 2001
From: Kelly <kelly@influxdata.com>
Date: Thu, 25 Jul 2019 17:58:24 -0700
Subject: [PATCH] add note for matching params to reduce() function

---
 .../functions/built-in/transformations/aggregates/reduce.md   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/content/v2.0/reference/flux/functions/built-in/transformations/aggregates/reduce.md b/content/v2.0/reference/flux/functions/built-in/transformations/aggregates/reduce.md
index ec74c8bc4..23ad32e82 100644
--- a/content/v2.0/reference/flux/functions/built-in/transformations/aggregates/reduce.md
+++ b/content/v2.0/reference/flux/functions/built-in/transformations/aggregates/reduce.md
@@ -30,6 +30,10 @@ However, if two reduced tables write to the same destination group key, the func
 
 ## Parameters
 
+{{% note %}}
+Make sure `fn` parameter names match each specified parameter. To learn why, see [Match parameter names](/v2.0/reference/flux/language/data-model/#match-parameter-names).
+{{% /note %}}
+
 ### fn
 Function to apply to each record with a reducer object ([`identity`](#identity)).