diff --git a/CounterClient/form.json b/CounterClient/form.json
index 09c4d5b..895f88d 100644
--- a/CounterClient/form.json
+++ b/CounterClient/form.json
@@ -11,6 +11,9 @@
             "caption": "JSON Ausgabe Variable",
             "validVariableTypes": [3]
         },
+        { "type": "NumberSpinner", "name": "Projectyear", "caption": "Projectyear" },
+        { "type": "NumberSpinner", "name": "Projectnumber", "caption": "Projectnumber" },
+        { "type": "ValidationTextBox", "name": "Projectname", "caption": "Projectname" },
         {
             "type": "ExpansionPanel",
             "caption": "MQTT (optional)",
@@ -24,15 +27,7 @@
                     "type": "SelectInstance",
                     "name": "MqttClientID",
                     "caption": "MQTT Client",
-                    "visible": "EnableMQTT",
-                    "validModules": ["{C6D2AEB3-6E1F-4B2E-8D6E-2F0A6C4C2A7F}"]
-                },
-                {
-                    "type": "ValidationTextBox",
-                    "name": "MqttTopic",
-                    "caption": "MQTT Topic",
-                    "visible": "EnableMQTT",
-                    "placeholder": "clients/counters/json"
+                    "visible": "EnableMQTT"
                 }
             ]
         },
diff --git a/CounterClient/module.php b/CounterClient/module.php
index be21d46..f7765a3 100644
--- a/CounterClient/module.php
+++ b/CounterClient/module.php
@@ -9,8 +9,13 @@ class CounterClient extends IPSModule
         $this->RegisterPropertyInteger('CounterCategoryID', 0);
         $this->RegisterPropertyInteger('JsonOutputVariableID', 0);
         $this->RegisterPropertyInteger('UpdateTime', 60);
+        $this->RegisterPropertyBoolean('EnableMQTT', false);
+        $this->RegisterPropertyInteger('MqttClientID', 0);
+        $this->RegisterPropertyString('Projectname', '');
+         $this->RegisterPropertyInteger('Projectyear', 2026);
+          $this->RegisterPropertyInteger('Projectnumber', 0);
 
-        $this->RegisterTimer('Update', 0, 'SECC_BuildAndStorePayload($_IPS[\'TARGET\']);');
+        $this->RegisterTimer('Update', 0, 'SECC_BuildAndStorePayload($id);');
     }
 
     public function ApplyChanges()
@@ -38,6 +43,17 @@ class CounterClient extends IPSModule
         }
 
         IPS_LogMessage('CounterClient', $json);
+
+        if ($this->ReadPropertyBoolean('EnableMQTT')) {
+            $mqttClientId = $this->ReadPropertyInteger('MqttClientID');
+            $mqttTopic = $this->ReadPropertyInteger('Projectyear').'/'.$this->ReadPropertyInteger('Projectnumber').'/Counters';
+
+            if ($mqttClientId > 0 && IPS_InstanceExists($mqttClientId) && $mqttTopic !== '') {
+                $this->MqttPublish($mqttClientId, $mqttTopic, $json, true);
+            } else {
+                IPS_LogMessage('CounterClient', 'MQTT ist aktiviert, aber ungültige MQTT Client ID oder Topic.');
+            }
+        }
     }
 
     public function BuildPayload()
@@ -426,5 +442,73 @@ class CounterClient extends IPSModule
 
         return $text;
     }
+        public function MqttPublish($server_id, $topic, $payload, $retain) {
+        // ensure server instance exists
+        if(!IPS_InstanceExists($server_id)) {
+            return false;
+        }
+
+
+
+        $ips_var_type = 3;
+
+
+        $module_id = "{01C00ADD-D04E-452E-B66A-D253278743FE}" /* Module ID of MQTT Server Device */;
+        $ident = "TempMQTTDevice";
+
+        // enter semaphore to ensure the temporary device gets used by one thread at a time
+        if(IPS_SemaphoreEnter($ident, 100)) {
+            // get temporary MQTT Server Device or create if needed
+            $id = @IPS_GetObjectIDByIdent($ident, $_IPS['SELF']);
+            if($id === false) {
+                $id = @IPS_CreateInstance($module_id);
+                if($id === false) {
+                    return false;
+                }
+                IPS_SetParent($id, $_IPS['SELF']);
+                IPS_SetIdent($id, $ident);
+            }
+
+            // ensure the specified server instance is actually compatible
+            if(!IPS_IsInstanceCompatible($id, $server_id)) {
+                return false;
+            }
+
+            // ensure that the temporary device is actually connected to the correct server instance
+            $inst_config = IPS_GetInstance($id);
+            if($inst_config["ConnectionID"] != $server_id) {
+                IPS_DisconnectInstance($id);
+                if(!@IPS_ConnectInstance($id, $server_id)) {
+                    return false;
+                }
+            }
+
+            // name object to help with debugging
+            IPS_SetName($id, "Temporary MQTT Device for: " . $topic);
+
+            // configure temporary device
+            $config_arr = array(
+                "Retain" => $retain,
+                "Topic" => $topic,
+                "Type" => $ips_var_type
+            );
+            $config_str = json_encode($config_arr);
+            IPS_SetConfiguration($id, $config_str);
+            IPS_SetHidden($id,true);
+            IPS_ApplyChanges($id);
+
+            // get Value variable and use it to publish the payload
+            $var_id = @IPS_GetObjectIDByIdent("Value", $id);
+            RequestAction($var_id, $payload);
+
+            IPS_SemaphoreLeave($ident);
+        } else { // semaphore timeout
+            return false;
+        }
+
+        return true;
+    } // MQTT_Publish
+
+
 }
 ?>
\ No newline at end of file
diff --git a/library.json b/library.json
index fb27968..5e17695 100644
--- a/library.json
+++ b/library.json
@@ -8,6 +8,6 @@
         "date": 1491343200
     },
     "version": "1.0",
-    "build": 0,
+    "build": 1,
     "date": 0
 }
\ No newline at end of file