diff --git a/conf/retention.sh b/conf/retention.sh
index 3b05bd9..74a787d 100644
--- a/conf/retention.sh
+++ b/conf/retention.sh
@@ -5,7 +5,7 @@ DB_USER="__DB_USER__"
 DB_NAME="__DB_NAME__"
 DB_PASS="__DB_PWD__"
 DB_HOST="localhost"
-RETENTION="__RETENTION_DAY__" #number of days to *keep*; 93 ~ 3 months
+RETENTION="__RETENTION__" #number of days to *keep*; 93 ~ 3 months
 DATA_DIR="__DATA_DIR__"
 
 # calculate epoch in milisec
diff --git a/config_panel.toml b/config_panel.toml
new file mode 100644
index 0000000..5121105
--- /dev/null
+++ b/config_panel.toml
@@ -0,0 +1,15 @@
+version = "1.0"
+
+[main]
+name = "Mattermost configuration"
+services = ["__APP__"]
+
+    [main.congig]
+    name = "Retention mode"
+
+        [main.config.retention]
+        ask = "Retention days"
+        type = "string"
+        default = "93"
+        help = "Vumber of days to *keep*; 93 ~ 3 months"
+        bind = "retention:__INSTALL_DIR__/retention.sh"