diff --git a/smartthings/README.md b/smartthings/README.md
index 727947d..fa6152b 100644
--- a/smartthings/README.md
+++ b/smartthings/README.md
@@ -13,4 +13,5 @@ Everything is configurable through UI. Available params:
 | preface        | Preface for topics       |
 | state_suffix   | State topics suffix      |
 | command_suffix | Command topics suffix    |
+| retain         | MQTT Retain flag option  |
 | bridge_port    | Port bridge listening on |
diff --git a/smartthings/config.json b/smartthings/config.json
index 3f1f409..9a8362a 100644
--- a/smartthings/config.json
+++ b/smartthings/config.json
@@ -17,8 +17,8 @@
         "command_suffix": "cmd",
         "login": "login",
         "password": "password",
-        "bridge_port": 2080
-
+        "bridge_port": 2080,
+        "retain": false
     },
     "schema": {
         "broker_host": "str",
@@ -28,6 +28,7 @@
         "command_suffix": "str",
         "login": "str",
         "password": "str",
-        "bridge_port": "int"
+        "bridge_port": "int",
+        "retain": "bool"
     }
 }
diff --git a/smartthings/template.yml b/smartthings/template.yml
index 4b9ec57..bf6235a 100644
--- a/smartthings/template.yml
+++ b/smartthings/template.yml
@@ -5,4 +5,5 @@ mqtt:
   command_suffix: {{command_suffix}}
   username: {{login}}
   password: {{password}}
+  retain: {{retain}}
 port: {{bridge_port}}
\ No newline at end of file