diff --git a/libnotificationmanager/CMakeLists.txt b/libnotificationmanager/CMakeLists.txt
--- a/libnotificationmanager/CMakeLists.txt
+++ b/libnotificationmanager/CMakeLists.txt
@@ -52,6 +52,8 @@
 qt5_add_dbus_adaptor(notificationmanager_LIB_SRCS dbus/org.kde.JobViewServerV2.xml jobsmodel_p.h NotificationManager::JobsModelPrivate)
 qt5_add_dbus_adaptor(notificationmanager_LIB_SRCS dbus/org.kde.JobViewV2.xml job_p.h NotificationManager::JobPrivate)
 qt5_add_dbus_adaptor(notificationmanager_LIB_SRCS dbus/org.kde.JobViewV3.xml job_p.h NotificationManager::JobPrivate)
+# Lockscreen
+qt5_add_dbus_interface(notificationmanager_LIB_SRCS ${KSCREENLOCKER_DBUS_INTERFACES_DIR}/org.kde.screensaver.Greeter.xml greeter_interface )
 
 add_library(notificationmanager ${notificationmanager_LIB_SRCS})
 add_library(PW::LibNotificationManager ALIAS notificationmanager)
diff --git a/libnotificationmanager/notification.h b/libnotificationmanager/notification.h
--- a/libnotificationmanager/notification.h
+++ b/libnotificationmanager/notification.h
@@ -106,6 +106,8 @@
 
     bool userActionFeedback() const;
 
+    bool showOnLockscreen() const;
+
     int timeout() const;
     void setTimeout(int timeout);
 
diff --git a/libnotificationmanager/notification.cpp b/libnotificationmanager/notification.cpp
--- a/libnotificationmanager/notification.cpp
+++ b/libnotificationmanager/notification.cpp
@@ -386,6 +386,9 @@
         read = true;
     }
 
+    // if notification is supposed to be shown on lockscreen, set show on lockscreen
+    showOnLockScreen = hints.value(QStringLiteral("x-kde-show-on-lockscreen")).toBool();
+
     urls = QUrl::fromStringList(hints.value(QStringLiteral("x-kde-urls")).toStringList());
 
     replyPlaceholderText = hints.value(QStringLiteral("x-kde-reply-placeholder-text")).toString();
@@ -684,6 +687,11 @@
     return d->userActionFeedback;
 }
 
+bool Notification::showOnLockscreen() const
+{
+    return d->showOnLockScreen;
+}
+
 int Notification::timeout() const
 {
     return d->timeout;
diff --git a/libnotificationmanager/notification_p.h b/libnotificationmanager/notification_p.h
--- a/libnotificationmanager/notification_p.h
+++ b/libnotificationmanager/notification_p.h
@@ -99,6 +99,7 @@
     QList<QUrl> urls;
 
     bool userActionFeedback = false;
+    bool showOnLockScreen = false;
     Notifications::Urgency urgency = Notifications::NormalUrgency;
     int timeout = -1;
 
diff --git a/libnotificationmanager/server_p.cpp b/libnotificationmanager/server_p.cpp
--- a/libnotificationmanager/server_p.cpp
+++ b/libnotificationmanager/server_p.cpp
@@ -23,6 +23,7 @@
 #include "debug.h"
 
 #include "notificationsadaptor.h"
+#include "greeter_interface.h"
 
 #include "notification.h"
 #include "notification_p.h"
@@ -223,11 +224,26 @@
         emit static_cast<Server*>(parent())->notificationAdded(notification);
     }
 
+    // we check if notification should be shown on lockscreen? if so we forward this to ksld
+    if (notification.showOnLockscreen()) {
+        OrgKdeScreensaverGreeterInterface iface(QStringLiteral("org.kde.screensaver.Greeter"),
+                                                QStringLiteral("/Greeter"), QDBusConnection::sessionBus());
+        iface.Notify(notificationId, notification.applicationName(), replaces_id, notification.applicationIconName(),
+            notification.summary(), notification.body(), notification.actionNames(),
+            hints, notification.timeout());
+    }
+
     return notificationId;
 }
 
 void ServerPrivate::CloseNotification(uint id)
 {
+    // here we notify to ksldapp regardless if notification was shown on the lockscreen
+    // to simplify the code base, if notification with id doesn't exist on the ksld, it can
+    // just ignore it.
+    OrgKdeScreensaverGreeterInterface iface(QStringLiteral("org.kde.screensaver.Greeter"),
+                                            QStringLiteral("/Greeter"), QDBusConnection::sessionBus());
+    iface.CloseNotification(id);
     // spec says "If the notification no longer exists, an empty D-BUS Error message is sent back."
     static_cast<Server*>(parent())->closeNotification(id, Server::CloseReason::Revoked);
 }
@@ -247,6 +263,7 @@
         QStringLiteral("x-kde-urls"),
         QStringLiteral("x-kde-origin-name"),
         QStringLiteral("x-kde-display-appname"),
+        QStringLiteral("x-kde-show-on-lockscreen"),
 
         QStringLiteral("inhibitions")
     };