no message

Ladestation_v2/form.json

@@ -100,17 +100,15 @@
             "suffix": ""
         },
         {
-            "type": "SelectInstance",
+            "type": "Select",
             "name": "EaseeGatewayID",
             "caption": "Easee SignalR Gateway",
             "visible": false,
-            "validModules": [
-                "{7A1F1D4B-3E7D-4A3B-9E54-61C8C3B7F201}"
-            ]
+            "options": []
         },
         {
             "type": "Label",
-            "caption": "Die Typen 5 und 6 verwenden das verbundene Easee SignalR Gateway. Easee-Zugangsdaten werden im Gateway konfiguriert."
+            "caption": "Die Typen 5 und 6 verwenden das ausgewählte Easee SignalR Gateway. Easee-Zugangsdaten werden im Gateway konfiguriert."
         }
     ]
 }

Ladestation_v2/module.php

@@ -156,10 +156,25 @@ class Ladestation_v2 extends IPSModule
     {
         $form = json_decode(file_get_contents(__DIR__ . "/form.json"), true);
         $showGateway = $this->UsesEaseeGateway($this->ReadPropertyInteger("Ladestation"));
+        $gatewayOptions = [
+            ["caption" => "Kein Gateway", "value" => 0],
+        ];
+
+        foreach (IPS_GetInstanceListByModuleID(self::EASEE_GATEWAY_MODULE_ID) as $gatewayID) {
+            $name = trim(IPS_GetName($gatewayID));
+            if ($name === "") {
+                $name = "Easee SignalR Gateway #" . $gatewayID;
+            }
+            $gatewayOptions[] = [
+                "caption" => $name . " (#" . $gatewayID . ")",
+                "value"   => $gatewayID,
+            ];
+        }
 
         foreach ($form["elements"] as &$element) {
             if (($element["name"] ?? "") === "EaseeGatewayID") {
                 $element["visible"] = $showGateway;
+                $element["options"] = $gatewayOptions;
                 break;
             }
         }