diff --git a/tools/chatgui/src/mainwindow.cpp b/tools/chatgui/src/mainwindow.cpp
index b69b2f91..4ee0c402 100644
--- a/tools/chatgui/src/mainwindow.cpp
+++ b/tools/chatgui/src/mainwindow.cpp
@@ -216,6 +216,7 @@ MainWindow::~MainWindow() {
     delete GroupAvatarManager::instance();
     gui_bridge_set_group_avatar_result_cb(nullptr);
     gui_bridge_set_feedback_changed_cb(nullptr);
+    gui_bridge_set_attachment_keys_cb(nullptr);
     gui_bridge_set_feedback_result_cb(nullptr);
     gui_bridge_set_msg_submitted_cb(nullptr);
     gui_bridge_set_avatar_result_cb(nullptr);
@@ -470,6 +471,9 @@ void MainWindow::setupBridgeCallbacks() {
     gui_bridge_set_feedback_changed_cb([](const uint8_t* data, int length) {
         if (s_mainWindow && s_mainWindow->m_messageList) s_mainWindow->m_messageList->onFeedbackChanged(data, length);
     });
+    gui_bridge_set_attachment_keys_cb([](const uint8_t* data, int length) {
+        if (s_mainWindow && s_mainWindow->m_messageList) s_mainWindow->m_messageList->onAttachmentKeysChanged(data, length);
+    });
     gui_bridge_set_feedback_result_cb([](const uint8_t* data, int length) {
         if (s_mainWindow && s_mainWindow->m_messageList) s_mainWindow->m_messageList->onFeedbackResult(data, length);
     });
diff --git a/tools/chatgui/transport/gui_bridge.h b/tools/chatgui/transport/gui_bridge.h
index a963ebc9..57a8e6c4 100644
--- a/tools/chatgui/transport/gui_bridge.h
+++ b/tools/chatgui/transport/gui_bridge.h
@@ -250,6 +250,8 @@ void gui_bridge_set_avatar_result_cb(gui_dm_messages_fn cb);
 void gui_bridge_set_group_avatar_result_cb(gui_dm_messages_fn cb);
 /* Опросы/реакции: адресное изменение и коррелированный ответ команды, в GUI-потоке. */
 void gui_bridge_set_feedback_changed_cb(gui_dm_messages_fn cb);
+/* Изменение локальных запросов/ключей вложения, без секретных данных. */
+void gui_bridge_set_attachment_keys_cb(gui_dm_messages_fn cb);
 void gui_bridge_set_feedback_result_cb(gui_dm_messages_fn cb);
 void gui_bridge_set_msg_submitted_cb(gui_dm_messages_fn cb);
 void gui_bridge_set_radio_mute_result_cb(gui_dm_messages_fn cb);
diff --git a/tools/chatgui/transport/gui_bridge_impl.cpp b/tools/chatgui/transport/gui_bridge_impl.cpp
index c6d5275e..cdd56992 100644
--- a/tools/chatgui/transport/gui_bridge_impl.cpp
+++ b/tools/chatgui/transport/gui_bridge_impl.cpp
@@ -74,6 +74,7 @@ static gui_dm_messages_fn g_member_files_transfer_cb = nullptr;
 static gui_dm_messages_fn g_avatar_result_cb = nullptr;
 static gui_dm_messages_fn g_group_avatar_result_cb = nullptr;
 static gui_dm_messages_fn g_feedback_changed_cb = nullptr;
+static gui_dm_messages_fn g_attachment_keys_cb = nullptr;
 static gui_dm_messages_fn g_feedback_result_cb = nullptr;
 static gui_dm_messages_fn g_msg_submitted_cb = nullptr;
 static gui_dm_messages_fn g_radio_mute_result_cb = nullptr;
@@ -111,6 +112,9 @@ void GuiBridgeReceiver::processPost(int eventType, QByteArray data) {
     case CHAT_EVT_FEEDBACK_CHANGED:
         if (g_feedback_changed_cb) g_feedback_changed_cb(d, dlen);
         break;
+    case CHAT_EVT_ATTACHMENT_KEYS_CHANGED:
+        if (g_attachment_keys_cb) g_attachment_keys_cb(d, dlen);
+        break;
     case CHAT_EVT_FEEDBACK_RESULT:
         if (g_feedback_result_cb) g_feedback_result_cb(d, dlen);
         break;
@@ -627,6 +631,7 @@ void gui_bridge_set_member_files_transfer_cb(gui_dm_messages_fn cb) { g_member_f
 void gui_bridge_set_avatar_result_cb(gui_dm_messages_fn cb) { g_avatar_result_cb = cb; }
 void gui_bridge_set_group_avatar_result_cb(gui_dm_messages_fn cb) { g_group_avatar_result_cb = cb; }
 void gui_bridge_set_feedback_changed_cb(gui_dm_messages_fn cb) { g_feedback_changed_cb = cb; }
+void gui_bridge_set_attachment_keys_cb(gui_dm_messages_fn cb) { g_attachment_keys_cb = cb; }
 void gui_bridge_set_feedback_result_cb(gui_dm_messages_fn cb) { g_feedback_result_cb = cb; }
 void gui_bridge_set_msg_submitted_cb(gui_dm_messages_fn cb) { g_msg_submitted_cb = cb; }
 void gui_bridge_set_radio_mute_result_cb(gui_dm_messages_fn cb) { g_radio_mute_result_cb = cb; }