diff --git a/src/knotification.h b/src/knotification.h
--- a/src/knotification.h
+++ b/src/knotification.h
@@ -28,6 +28,7 @@
 #include <QPair>
 #include <QUrl>
 #include <QVariant>
+#include <QWindow>
 
 class QWidget;
 
@@ -263,6 +264,16 @@
          */
         SkipGrouping = 0x10,
 
+        /**
+         * The notification will be automatically closed if the window() becomes
+         * activated.
+         *
+         * You need to set a window using setWindow().
+         *
+         * @since 5.71
+         */
+        CloseWhenWindowActivated = 0x20,
+
         /**
          * @internal
          * The event is a standard kde event, and not an event of the application
@@ -556,6 +567,22 @@
      */
     void setUrgency(Urgency urgency);
 
+    /**
+     * Sets the window associated with this notification.
+     * This is relevant when using the CloseWhenWindowActivated flag.
+     *
+     * @since 5.71
+     */
+    void setWindow(QWindow *window);
+
+    /**
+     * The window associated with this notification. nullptr by default.
+     * @return the window set by setWindow()
+     *
+     * @since 5.71
+     */
+    QWindow *window() const;
+
     /**
      * @internal
      * the id given by the notification manager
diff --git a/src/knotification.cpp b/src/knotification.cpp
--- a/src/knotification.cpp
+++ b/src/knotification.cpp
@@ -58,6 +58,7 @@
 
     QTimer updateTimer;
     bool needUpdate;
+    QWindow *window = nullptr;
 
     Private() : id(-1), ref(0), widget(nullptr), urgency(KNotification::DefaultUrgency), needUpdate(false) {}
 #if KNOTIFICATIONS_BUILD_DEPRECATED_SINCE(5, 67)
@@ -575,3 +576,21 @@
     return d->hints;
 }
 
+void KNotification::setWindow(QWindow *window)
+{
+    if (window == d->window) {
+        return;
+    }
+
+    d->window = window;
+    connect(window, &QWindow::activeChanged, this, [this, window]{
+        if (window->isActive() && (d->flags &  CloseWhenWidgetActivated)) {
+            close();
+        }
+    });
+}
+
+QWindow *KNotification::window() const
+{
+    return d->window;
+}