diff --git a/src/knotification.h b/src/knotification.h
--- a/src/knotification.h
+++ b/src/knotification.h
@@ -127,6 +127,7 @@
            Contexts=group
            Sound=filetoplay.ogg
            Action=None
+           Urgency=Low
  *  </pre>
  *  These are the default settings for each notifiable event.
  *  Action is the string representing the action. Actions can be added to
@@ -137,6 +138,8 @@
  *
  *  Contexts is a comma separated list of possible context for this event.
  *
+ *  Urgency can be any of: Low, Normal, Critical.
+ *
  *  \section userfile The user's config file
  *
  *  This is an implementation detail, and is described here for your information.
@@ -269,6 +272,14 @@
      */
     enum StandardEvent { Notification, Warning, Error, Catastrophe };
 
+    /**
+     * The urgency of a notification.
+     *
+     * @since 5.58
+     * @sa setUrgency
+     */
+    enum Urgency { DefaultUrgency = -1, LowUrgency, NormalUrgency, CriticalUrgency };
+
     /**
      * Create a new notification.
      *
@@ -508,6 +519,28 @@
      */
     void setUrls(const QList<QUrl> &urls);
 
+    /**
+     * The urgency of the notification.
+     * @since 5.58
+     */
+    Urgency urgency() const;
+
+    /**
+     * Sets the urgency of the notification.
+     *
+     * This defines the importance of the notification. For example,
+     * a track change in a media player would be a low urgency.
+     * "You have new mail" would be normal urgency. "Your battery level
+     * is low" would be a critical urgency.
+     *
+     * Use critical notifications with care as they might be shown even
+     * when giving a presentation or when notifications are turned off.
+     *
+     * @param urgency The urgency.
+     * @since 5.58
+     */
+    void setUrgency(Urgency urgency);
+
     /**
      * @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
@@ -59,12 +59,13 @@
     NotificationFlags flags;
     QString componentName;
     QList<QUrl> urls;
+    KNotification::Urgency urgency;
     QVariantMap hints;
 
     QTimer updateTimer;
     bool needUpdate;
 
-    Private() : id(-1), ref(0), widget(nullptr), needUpdate(false) {}
+    Private() : id(-1), ref(0), widget(nullptr), urgency(KNotification::DefaultUrgency), needUpdate(false) {}
     /**
      * recursive function that raise the widget. @p w
      *
@@ -275,6 +276,16 @@
     d->urls = urls;
 }
 
+KNotification::Urgency KNotification::urgency() const
+{
+    return d->urgency;
+}
+
+void KNotification::setUrgency(Urgency urgency)
+{
+    d->urgency = urgency;
+}
+
 void KNotification::activate(unsigned int action)
 {
     switch (action) {
diff --git a/src/knotificationmanager.cpp b/src/knotificationmanager.cpp
--- a/src/knotificationmanager.cpp
+++ b/src/knotificationmanager.cpp
@@ -312,6 +312,18 @@
 
     d->notifications.insert(d->notifyIdCounter, n);
 
+    // TODO KF6 d-pointer KNotifyConfig and add this there
+    if (n->urgency() == KNotification::DefaultUrgency) {
+        const QString urgency = notifyConfig.readEntry(QStringLiteral("Urgency"));
+        if (urgency == QLatin1String("Low")) {
+            n->setUrgency(KNotification::LowUrgency);
+        } else if (urgency == QLatin1String("Normal")) {
+            n->setUrgency(KNotification::NormalUrgency);
+        } else if (urgency == QLatin1String("Critical")) {
+            n->setUrgency(KNotification::CriticalUrgency);
+        }
+    }
+
     const auto actionsList = notifyActions.split(QLatin1Char('|'));
     for (const QString &action : actionsList) {
         KNotificationPlugin *notifyPlugin = pluginForAction(action);
diff --git a/src/notifybypopup.cpp b/src/notifybypopup.cpp
--- a/src/notifybypopup.cpp
+++ b/src/notifybypopup.cpp
@@ -712,6 +712,10 @@
         hintsMap[QStringLiteral("desktop-entry")] = qApp->desktopFileName();
     }
 
+    if (notification->urgency() != KNotification::DefaultUrgency) {
+        hintsMap[QStringLiteral("urgency")] = static_cast<int>(notification->urgency());
+    }
+
     const QVariantMap hints = notification->hints();
     for (auto it = hints.constBegin(); it != hints.constEnd(); ++it) {
         hintsMap[it.key()] = it.value();