diff --git a/Symcon_Publish_to_Shelly_MQTT/README.md b/Symcon_Publish_to_Shelly_MQTT/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/Symcon_Publish_to_Shelly_MQTT/form.json b/Symcon_Publish_to_Shelly_MQTT/form.json
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+++ b/Symcon_Publish_to_Shelly_MQTT/form.json
@@ -0,0 +1,50 @@
+{
+  "elements": [
+    {
+      "type": "ValidationTextBox",
+      "name": "broker_address",
+      "caption": "Broker-Adresse"
+    },
+    {
+      "type": "NumberSpinner",
+      "name": "broker_port",
+      "caption": "Broker-Port"
+    },
+    {
+      "type": "ValidationTextBox",
+      "name": "username",
+      "caption": "Benutzername"
+    },
+    {
+      "type": "PasswordTextBox",
+      "name": "password",
+      "caption": "Passwort"
+    },
+    {
+      "type": "ValidationTextBox",
+      "name": "Topic",
+      "caption": "MQTT Topic"
+    },
+    {
+      "type": "NumberSpinner",
+      "name": "msg_id",
+      "caption": "Message ID"
+    },
+    {
+      "type": "ValidationTextBox",
+      "name": "src",
+      "caption": "Source"
+    },
+    {
+      "type": "ValidationTextBox",
+      "name": "method",
+      "caption": "Method"
+    }, 
+    {
+      "type": "SelectVariable",
+      "name": "switch_bool",
+      "caption": "Variable mit dem zu regelnden Shelly Kontakt"
+    }
+    
+  ]
+}
diff --git a/Symcon_Publish_to_Shelly_MQTT/module.json b/Symcon_Publish_to_Shelly_MQTT/module.json
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+++ b/Symcon_Publish_to_Shelly_MQTT/module.json
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+{
+    "id": "{C03937E3-5F86-EACA-B4A2-39A24ACF945A}",
+    "name": "Symcon_Publish_to_Shelly_MQTT",
+    "type": 3,
+    "vendor": "Belevo AG",
+    "aliases": [],
+    "parentRequirements": [],
+    "childRequirements": [],
+    "implemented": [],
+    "prefix": "GEF",
+    "url": ""
+}
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diff --git a/Symcon_Publish_to_Shelly_MQTT/module.php b/Symcon_Publish_to_Shelly_MQTT/module.php
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+++ b/Symcon_Publish_to_Shelly_MQTT/module.php
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+<?php
+
+class Symcon_Publish_to_Shelly_MQTT extends IPSModule
+{
+ public function Create()
+    {
+        parent::Create();
+
+        // MQTT-Verbindungsparameter
+        $this->RegisterPropertyString("broker_address", "");
+        $this->RegisterPropertyInteger("broker_port", 1883);
+        $this->RegisterPropertyString("username", "");
+        $this->RegisterPropertyString("password", "");
+        $this->RegisterPropertyString("Topic", "");
+
+        // Nachricht-Payload-Parameter
+        $this->RegisterPropertyInteger("msg_id", 1);
+        $this->RegisterPropertyString("src", "user1");
+        $this->RegisterPropertyString("method", "Switch.Set");
+        $this->RegisterPropertyBoolean("switch_bool", "");
+
+
+    }
+
+    public function ApplyChanges()
+    {
+        parent::ApplyChanges();
+    }
+
+    public function RequestAction($Ident, $Value)
+    {
+        switch ($Ident) {
+            case "GetAction":
+                $this->GetAction();
+                break;
+            default:
+                throw new Exception("Invalid action");
+        }
+    }
+
+    private function GetAction()
+    {
+        // Eigenschaften lesen
+        $broker = $this->ReadPropertyString("broker_address");
+        $port = $this->ReadPropertyInteger("broker_port");
+        $user = $this->ReadPropertyString("username");
+        $pass = $this->ReadPropertyString("password");
+        $topic = $this->ReadPropertyString("Topic");
+
+        $msg_id = $this->ReadPropertyInteger("msg_id");
+        $src = $this->ReadPropertyString("src");
+        $method = $this->ReadPropertyString("method");
+        $switch_bool = $this->ReadPropertyString("switch_bool");
+        // JSON-Payload erstellen
+        $payload = [
+            "id" => 0,
+            "src" => $src,
+            "method" => $method,
+            "params" => [
+                "id" => $msg_id,
+                "on" => $switch_bool
+            ]
+        ];
+
+        $json = json_encode($payload);
+
+        // Sende an MQTTClient (Symcon MQTTClient muss existieren!)
+        $clientID = @IPS_GetInstanceIDByName("MQTTClient", 0); // Name anpassen, falls nötig
+        if ($clientID && IPS_InstanceExists($clientID)) {
+            // Prüfe ob kompatibler MQTTClient
+            if (IPS_GetInstance($clientID)['ModuleInfo']['ModuleID'] == "{C03937E3-5F86-EACA-B4A2-39A24ACF945A}") {
+                // Senden mit interner Funktion
+                MQTTClient_Publish($clientID, $topic, $json, 0, false);
+                IPS_LogMessage("ShellySwitchSender", "📤 Gesendet an '$topic': $json");
+                return;
+            }
+        }
+
+        // Fallback: Logging für manuelle MQTT-Sendung
+        IPS_LogMessage("ShellySwitchSender", "⚠️ Kein gültiger MQTTClient gefunden. Bitte in der Instanz 'MQTTClient' benennen.");
+    }
+}
+
+?>
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