diff --git a/MQTTBatterySDL/form.json b/MQTTBatterySDL/form.json
index e7d7bcf..4a8ccf7 100644
--- a/MQTTBatterySDL/form.json
+++ b/MQTTBatterySDL/form.json
@@ -10,6 +10,11 @@
             "name": "ReqActionID",
             "caption": "Ausgabe-Variable / RequestAction"
         },
+        {
+    "type": "SelectInstance",
+    "name": "PublishInstanceID",
+    "caption": "MQTT Publish Helper"
+},
         {
             "type": "SelectVariable",
             "name": "SoCID",