diff --git a/td/telegram/DialogAction.cpp b/td/telegram/DialogAction.cpp
index 210d4e2a1..3d217dd8c 100644
--- a/td/telegram/DialogAction.cpp
+++ b/td/telegram/DialogAction.cpp
@@ -421,6 +421,7 @@ bool DialogAction::is_canceled_by_message_of_type(MessageContentType message_con
     case MessageContentType::GiveawayResults:
     case MessageContentType::GiveawayWinners:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return false;
     default:
       UNREACHABLE();
diff --git a/td/telegram/MessageContent.cpp b/td/telegram/MessageContent.cpp
index 9910b2c67..fe58b84d8 100644
--- a/td/telegram/MessageContent.cpp
+++ b/td/telegram/MessageContent.cpp
@@ -71,6 +71,7 @@
 #include "td/telegram/SecureValue.hpp"
 #include "td/telegram/ServerMessageId.h"
 #include "td/telegram/SharedDialog.h"
+#include "td/telegram/SharedDialog.hpp"
 #include "td/telegram/StickerFormat.h"
 #include "td/telegram/StickersManager.h"
 #include "td/telegram/StickersManager.hpp"
@@ -1102,6 +1103,21 @@ class MessageBoostApply final : public MessageContent {
   }
 };
 
+class MessageDialogShared final : public MessageContent {
+ public:
+  vector<SharedDialog> shared_dialogs;
+  int32 button_id = 0;
+
+  MessageDialogShared() = default;
+  MessageDialogShared(vector<SharedDialog> &&shared_dialogs, int32 button_id)
+      : shared_dialogs(std::move(shared_dialogs)), button_id(button_id) {
+  }
+
+  MessageContentType get_type() const final {
+    return MessageContentType::DialogShared;
+  }
+};
+
 template <class StorerT>
 static void store(const MessageContent *content, StorerT &storer) {
   CHECK(content != nullptr);
@@ -1658,6 +1674,14 @@ static void store(const MessageContent *content, StorerT &storer) {
       store(m->boost_count, storer);
       break;
     }
+    case MessageContentType::DialogShared: {
+      const auto *m = static_cast<const MessageDialogShared *>(content);
+      BEGIN_STORE_FLAGS();
+      END_STORE_FLAGS();
+      store(m->shared_dialogs, storer);
+      store(m->button_id, storer);
+      break;
+    }
     default:
       UNREACHABLE();
   }
@@ -2394,6 +2418,19 @@ static void parse(unique_ptr<MessageContent> &content, ParserT &parser) {
       content = std::move(m);
       break;
     }
+    case MessageContentType::DialogShared: {
+      auto m = make_unique<MessageDialogShared>();
+      BEGIN_PARSE_FLAGS();
+      END_PARSE_FLAGS();
+      parse(m->shared_dialogs, parser);
+      if (m->shared_dialogs.empty() ||
+          any_of(m->shared_dialogs, [](const auto &shared_dialog) { return !shared_dialog.is_valid(); })) {
+        is_bad = true;
+      }
+      parse(m->button_id, parser);
+      content = std::move(m);
+      break;
+    }
 
     default:
       is_bad = true;
@@ -3040,6 +3077,7 @@ bool can_have_input_media(const Td *td, const MessageContent *content, bool is_s
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return false;
     case MessageContentType::Animation:
     case MessageContentType::Audio:
@@ -3181,6 +3219,7 @@ SecretInputMedia get_secret_input_media(const MessageContent *content, Td *td,
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       break;
     default:
       UNREACHABLE();
@@ -3324,6 +3363,7 @@ static tl_object_ptr<telegram_api::InputMedia> get_input_media_impl(
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       break;
     default:
       UNREACHABLE();
@@ -3529,6 +3569,7 @@ void delete_message_content_thumbnail(MessageContent *content, Td *td) {
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       break;
     default:
       UNREACHABLE();
@@ -3754,6 +3795,7 @@ Status can_send_message_content(DialogId dialog_id, const MessageContent *conten
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       UNREACHABLE();
   }
   return Status::OK();
@@ -3901,6 +3943,7 @@ static int32 get_message_content_media_index_mask(const MessageContent *content,
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return 0;
     default:
       UNREACHABLE();
@@ -4184,6 +4227,8 @@ vector<UserId> get_message_content_min_user_ids(const Td *td, const MessageConte
       break;
     case MessageContentType::BoostApply:
       break;
+    case MessageContentType::DialogShared:
+      break;
     default:
       UNREACHABLE();
       break;
@@ -4589,6 +4634,7 @@ void merge_message_contents(Td *td, const MessageContent *old_content, MessageCo
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       break;
     default:
       UNREACHABLE();
@@ -4739,6 +4785,7 @@ bool merge_message_content_file_id(Td *td, MessageContent *message_content, File
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       LOG(ERROR) << "Receive new file " << new_file_id << " in a sent message of the type " << content_type;
       break;
     default:
@@ -5273,6 +5320,14 @@ void compare_message_contents(Td *td, const MessageContent *old_content, const M
       }
       break;
     }
+    case MessageContentType::DialogShared: {
+      const auto *lhs = static_cast<const MessageDialogShared *>(old_content);
+      const auto *rhs = static_cast<const MessageDialogShared *>(new_content);
+      if (lhs->shared_dialogs != rhs->shared_dialogs || lhs->button_id != rhs->button_id) {
+        need_update = true;
+      }
+      break;
+    }
     default:
       UNREACHABLE();
       break;
@@ -6435,6 +6490,7 @@ unique_ptr<MessageContent> dup_message_content(Td *td, DialogId dialog_id, const
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return nullptr;
     default:
       UNREACHABLE();
@@ -6837,8 +6893,30 @@ unique_ptr<MessageContent> get_action_message_content(Td *td, tl_object_ptr<tele
       auto action = move_tl_object_as<telegram_api::messageActionBoostApply>(action_ptr);
       return make_unique<MessageBoostApply>(max(action->boosts_, 0));
     }
-    case telegram_api::messageActionRequestedPeerSentMe::ID:
-      return make_unique<MessageUnsupported>();
+    case telegram_api::messageActionRequestedPeerSentMe::ID: {
+      auto action = move_tl_object_as<telegram_api::messageActionRequestedPeerSentMe>(action_ptr);
+      vector<SharedDialog> shared_dialogs;
+      for (auto &peer : action->peers_) {
+        SharedDialog shared_dialog(td, std::move(peer));
+        if (shared_dialog.is_valid()) {
+          shared_dialogs.push_back(std::move(shared_dialog));
+        }
+      }
+      if (shared_dialogs.size() > 1) {
+        for (auto shared_dialog : shared_dialogs) {
+          if (!shared_dialog.is_user()) {
+            shared_dialogs.clear();
+            break;
+          }
+        }
+      }
+      if (shared_dialogs.empty() || shared_dialogs.size() != action->peers_.size()) {
+        LOG(ERROR) << "Receive invalid " << oneline(to_string(action));
+        break;
+      }
+
+      return td::make_unique<MessageDialogShared>(std::move(shared_dialogs), action->button_id_);
+    }
     default:
       UNREACHABLE();
   }
@@ -7242,6 +7320,20 @@ tl_object_ptr<td_api::MessageContent> get_message_content_object(const MessageCo
       const auto *m = static_cast<const MessageBoostApply *>(content);
       return td_api::make_object<td_api::messageChatBoost>(m->boost_count);
     }
+    case MessageContentType::DialogShared: {
+      const auto *m = static_cast<const MessageDialogShared *>(content);
+      CHECK(!m->shared_dialogs.empty());
+      if (m->shared_dialogs[0].is_user()) {
+        vector<td_api::object_ptr<td_api::sharedUser>> users;
+        for (const auto &shared_dialog : m->shared_dialogs) {
+          users.push_back(shared_dialog.get_shared_user_object(td));
+        }
+        return td_api::make_object<td_api::messageUsersShared>(std::move(users), m->button_id);
+      }
+      CHECK(m->shared_dialogs.size() == 1);
+      return td_api::make_object<td_api::messageChatShared>(m->shared_dialogs[0].get_shared_chat_object(td),
+                                                            m->button_id);
+    }
     default:
       UNREACHABLE();
       return nullptr;
@@ -7677,6 +7769,7 @@ string get_message_content_search_text(const Td *td, const MessageContent *conte
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return string();
     default:
       UNREACHABLE();
@@ -8021,6 +8114,8 @@ void add_message_content_dependencies(Dependencies &dependencies, const MessageC
       break;
     case MessageContentType::BoostApply:
       break;
+    case MessageContentType::DialogShared:
+      break;
     default:
       UNREACHABLE();
       break;
diff --git a/td/telegram/MessageContentType.cpp b/td/telegram/MessageContentType.cpp
index fc8a2e4d7..2e3f46fef 100644
--- a/td/telegram/MessageContentType.cpp
+++ b/td/telegram/MessageContentType.cpp
@@ -144,6 +144,8 @@ StringBuilder &operator<<(StringBuilder &string_builder, MessageContentType cont
       return string_builder << "ExpiredVoiceNote";
     case MessageContentType::BoostApply:
       return string_builder << "BoostApply";
+    case MessageContentType::DialogShared:
+      return string_builder << "ChatShared";
     default:
       return string_builder << "Invalid type " << static_cast<int32>(content_type);
   }
@@ -218,6 +220,7 @@ bool is_allowed_media_group_content(MessageContentType content_type) {
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return false;
     default:
       UNREACHABLE();
@@ -298,6 +301,7 @@ bool can_be_secret_message_content(MessageContentType content_type) {
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return false;
     default:
       UNREACHABLE();
@@ -374,6 +378,7 @@ bool is_service_message_content(MessageContentType content_type) {
     case MessageContentType::GiveawayLaunch:
     case MessageContentType::GiveawayResults:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return true;
     default:
       UNREACHABLE();
@@ -450,6 +455,7 @@ bool is_editable_message_content(MessageContentType content_type) {
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return false;
     default:
       UNREACHABLE();
@@ -574,6 +580,7 @@ bool can_have_message_content_caption(MessageContentType content_type) {
     case MessageContentType::ExpiredVideoNote:
     case MessageContentType::ExpiredVoiceNote:
     case MessageContentType::BoostApply:
+    case MessageContentType::DialogShared:
       return false;
     default:
       UNREACHABLE();
diff --git a/td/telegram/MessageContentType.h b/td/telegram/MessageContentType.h
index 64795fe5d..280b6cc14 100644
--- a/td/telegram/MessageContentType.h
+++ b/td/telegram/MessageContentType.h
@@ -79,7 +79,8 @@ enum class MessageContentType : int32 {
   GiveawayWinners,
   ExpiredVideoNote,
   ExpiredVoiceNote,
-  BoostApply
+  BoostApply,
+  DialogShared
 };
 // increase MessageUnsupported::CURRENT_VERSION each time a new message content type is added