diff --git a/docs/template.php b/docs/template.php
new file mode 100644
index 0000000..7e1d134
--- /dev/null
+++ b/docs/template.php
@@ -0,0 +1,37 @@
+<?php
+
+class <name_of_class>
+{
+	public $hookName = <public name of the hook>;
+	public $active = true;		enable/disable hook (true => enabled)
+
+	private $devicelist = array(<ieee address or constant defined in config/devices_constants.php>) => <property of the device to watch>);
+
+	// assigne the function to the sensors devices
+	function __construct()
+	{
+		global $indexDevices;
+		if ($this->active === true)
+		{
+			foreach ($this->devicelist as $ieeeAddress => $property)
+			{
+				$indexDevices[$ieeeAddress]->$property["functions"][] = array($this,"callback");
+			}
+		}
+		// put here your code to init the class
+	}
+
+	// callback fonction. Is called with these 3 parameters
+	// $device 		-> calling device
+	// $property 	-> property of the device (given by mqtt)
+	// $value 		-> value of the property
+	public function callBack(&$device, $property, $value)
+	{
+		// here your code
+
+		logger (INFO, _("%s: notification received from MQTT from %s => parameter: %s value: %s"), $this->hookName, $device->friendlyName, $property, $value);
+	}
+}
+
+$hooks[<public name of the hook>] = new <name_of_class>();
+?>
diff --git a/hooks/scripts/rdc_sdb_eclairage.php b/hooks/scripts/rdc_sdb_eclairage.php
index 0715ce8..d956b78 100644
--- a/hooks/scripts/rdc_sdb_eclairage.php
+++ b/hooks/scripts/rdc_sdb_eclairage.php
@@ -31,7 +31,6 @@ class rdc_sdb_eclairage
 			foreach ($this->devicelist as $ieeeAddress => $property)
 			{
 				$indexDevices[$ieeeAddress]->$property["functions"][] = array($this,"callback");
-				print_r($indexDevices[$ieeeAddress]);
 			}
 		}
 	}
diff --git a/mqtt_functions.php b/mqtt_functions.php
index 354346e..8f2b984 100644
--- a/mqtt_functions.php
+++ b/mqtt_functions.php
@@ -118,7 +118,7 @@ function connectResponse($r, $message)
 function subscribeResponse($mid, $qosCount)
 {
 	global $topics, $mids, $nSubscribed;
-	print_r($mids);
+	//print_r($mids);
 	$key = $mids[$mid];
 	echo _("Subscribed to ") . $key . EOL;
 	$topics[$key]->status = true;