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diff --git a/src/client/QXmppExternalServiceDiscoveryManager.cpp b/src/client/QXmppExternalServiceDiscoveryManager.cpp
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+++ b/src/client/QXmppExternalServiceDiscoveryManager.cpp
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+// SPDX-FileCopyrightText: 2023 Tibor Csötönyi <work@taibsu.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#include "QXmppExternalServiceDiscoveryManager.h"
+
+#include "QXmppClient.h"
+#include "QXmppConstants_p.h"
+#include "QXmppExternalServiceDiscoveryIq.h"
+#include "QXmppIqHandling.h"
+
+using namespace QXmpp::Private;
+
+///
+/// \brief The QXmppExternalServiceDiscoveryManager class makes it possible to
+/// discover information about external services from providers
+/// as defined by \xep{0215, External Service Discovery}.
+///
+/// To make use of this manager, you need to instantiate it and load it into
+/// the QXmppClient instance as follows:
+///
+/// \code
+/// auto *manager = client->addNewExtension<QXmppExternalServiceDiscoveryManager>();
+/// \endcode
+///
+/// \ingroup Managers
+///
+/// \since QXmpp 1.6
+///
+QXmppExternalServiceDiscoveryManager::QXmppExternalServiceDiscoveryManager()
+{
+}
+
+QXmppExternalServiceDiscoveryManager::~QXmppExternalServiceDiscoveryManager() = default;
+
+///
+/// Requests external services from the specified XMPP entity.
+///
+/// \param jid  The target entity's JID.
+/// \param node The target node (optional).
+///
+/// \since QXmpp 1.6
+///
+QXmppTask<QXmppExternalServiceDiscoveryManager::ServicesResult> QXmppExternalServiceDiscoveryManager::requestServices(const QString &jid, const QString &node)
+{
+    QXmppExternalServiceDiscoveryIq request;
+    request.setType(QXmppIq::Get);
+    request.setTo(jid);
+
+    return chainIq(client()->sendIq(std::move(request)), this, [](QXmppExternalServiceDiscoveryIq &&iq) -> ServicesResult {
+        return iq.externalServices();
+    });
+}
+
+/// \cond
+QStringList QXmppExternalServiceDiscoveryManager::discoveryFeatures() const
+{
+    return { ns_external_service_discovery };
+}
+/// \endcond