From 641fe64d006232cb981262bf41c4225d2f25b09b Mon Sep 17 00:00:00 2001
From: "Zaiming (Stone) Shi" <zmstone@gmail.com>
Date: Wed, 12 Jan 2022 15:48:30 +0100
Subject: [PATCH] docs: ensure authn schema ns for password-hash structs

---
 apps/emqx_authn/src/emqx_authn_password_hashing.erl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/apps/emqx_authn/src/emqx_authn_password_hashing.erl b/apps/emqx_authn/src/emqx_authn_password_hashing.erl
index b405ce06c..731001498 100644
--- a/apps/emqx_authn/src/emqx_authn_password_hashing.erl
+++ b/apps/emqx_authn/src/emqx_authn_password_hashing.erl
@@ -41,7 +41,8 @@
 -behaviour(hocon_schema).
 
 -export([roots/0,
-         fields/1]).
+         fields/1,
+         namespace/0]).
 
 -export([type_ro/1,
          type_rw/1]).
@@ -51,6 +52,7 @@
          hash/2,
          check_password/4]).
 
+namespace() -> "authn-hash".
 roots() -> [pbkdf2, bcrypt, bcrypt_rw, other_algorithms].
 
 fields(bcrypt_rw) ->