diff --git a/Services/Control/IPCService.qml b/Services/Control/IPCService.qml
index 7dadb2e50..be130a75d 100644
--- a/Services/Control/IPCService.qml
+++ b/Services/Control/IPCService.qml
@@ -29,6 +29,20 @@ Singleton {
     Logger.i("IPCService", "Service started");
   }
 
+  // Helper for index-based notification lookups in IPC
+  function _getNotificationByIndex(index: string, funcName: string) {
+    var idx = index === "" ? 0 : parseInt(index);
+    if (isNaN(idx)) {
+      Logger.w("IPC", "Argument to ipc call '" + funcName + "' must be a number");
+      return null;
+    }
+    if (idx < 0 || idx >= NotificationService.activeList.count) {
+      Logger.w("IPC", "Notification index out of range: " + idx);
+      return null;
+    }
+    return NotificationService.activeList.get(idx);
+  }
+
   IpcHandler {
     target: "bar"
     function toggle() {
@@ -193,6 +207,47 @@ Singleton {
     function removeFromHistory(id: string): bool {
       return NotificationService.removeFromHistory(id);
     }
+
+    function invokeDefault(index: string): bool {
+      var notif = root._getNotificationByIndex(index, "notifications invokeDefault");
+      if (!notif) return false;
+
+      var actions = JSON.parse(notif.actionsJson || "[]");
+      if (actions.length === 0) return false;
+
+      var actionId = actions.find(a => a.identifier === "default")?.identifier ?? actions[0].identifier;
+      return NotificationService.invokeAction(notif.id, actionId);
+    }
+
+    function invokeDefaultAndDismiss(index: string): bool {
+      var notif = root._getNotificationByIndex(index, "notifications invokeDefaultAndDismiss");
+      if (!notif) return false;
+
+      var actions = JSON.parse(notif.actionsJson || "[]");
+      if (actions.length === 0) {
+        NotificationService.dismissActiveNotification(notif.id);
+        return false;
+      }
+
+      var actionId = actions.find(a => a.identifier === "default")?.identifier ?? actions[0].identifier;
+      var result = NotificationService.invokeAction(notif.id, actionId);
+      NotificationService.dismissActiveNotification(notif.id);
+      return result;
+    }
+
+    function invokeAction(id: string, actionId: string): bool {
+      if (!id || !actionId) {
+        Logger.w("IPC", "Both 'id' and 'actionId' are required for 'notifications invokeAction'");
+        return false;
+      }
+      return NotificationService.invokeAction(id, actionId);
+    }
+
+    function getActions(index: string): string {
+      var notif = root._getNotificationByIndex(index, "notifications getActions");
+      if (!notif) return "[]";
+      return notif.actionsJson || "[]";
+    }
   }
 
   IpcHandler {