From c64e599e811bc28ff9a19a2bbae696a0f230b90e Mon Sep 17 00:00:00 2001
From: "Zaiming (Stone) Shi" <zmstone@gmail.com>
Date: Fri, 29 Sep 2023 10:33:11 +0200
Subject: [PATCH] docs: document how to retrieve peercert

---
 apps/emqx/src/emqx_channel.erl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/emqx/src/emqx_channel.erl b/apps/emqx/src/emqx_channel.erl
index 8669aea8e..e4d04cf6b 100644
--- a/apps/emqx/src/emqx_channel.erl
+++ b/apps/emqx/src/emqx_channel.erl
@@ -1996,6 +1996,8 @@ trim_conninfo(ConnInfo) ->
             %% NOTE
             %% We remove the peercert because it duplicates what's stored in the socket,
             %% otherwise it wastes about 1KB per connection.
+            %% Retrieve with: esockd_transport:peercert(Socket).
+            %% Decode with APIs exported from esockd_peercert and esockd_ssl
             peercert
         ],
         ConnInfo