From bf5e693fd184cbbcfd56667f6f528313de2f35ae Mon Sep 17 00:00:00 2001
From: Yoshiyuki Hirano <yhirano@me.com>
Date: Fri, 13 Oct 2017 22:26:13 +0900
Subject: [PATCH] Add process.action_mailer notification to Instrumentation
 guide [ci skip]

---
 guides/source/active_support_instrumentation.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/guides/source/active_support_instrumentation.md b/guides/source/active_support_instrumentation.md
index 3b31557f41..82168ffbdb 100644
--- a/guides/source/active_support_instrumentation.md
+++ b/guides/source/active_support_instrumentation.md
@@ -337,6 +337,22 @@ Action Mailer
 }
 ```
 
+### process.action_mailer
+
+| Key           | Value                    |
+| ------------- | ------------------------ |
+| `:mailer`     | Name of the mailer class |
+| `:action`     | The action               |
+| `:args`       | The arguments            |
+
+```ruby
+{
+  mailer: "Notification",
+  action: "welcome_email",
+  args: []
+}
+```
+
 Active Support
 --------------