From b729f89033dca0cd2b9606060e735abfaf41c1f4 Mon Sep 17 00:00:00 2001
From: llnulldisk <48621230+llnulldisk@users.noreply.github.com>
Date: Mon, 29 Aug 2022 18:46:44 +0200
Subject: Update to API 4.5

---
 include/tgbot/Api.h                 | 21 +++++++++++-----
 include/tgbot/types/Animation.h     | 36 +++++++++++++++++++++-------
 include/tgbot/types/Audio.h         | 24 +++++++++++--------
 include/tgbot/types/Chat.h          | 48 ++++++++++++++++++++++++-------------
 include/tgbot/types/ChatMember.h    |  7 ++++++
 include/tgbot/types/ChatPhoto.h     | 24 +++++++++++++++++--
 include/tgbot/types/Document.h      | 20 ++++++++++------
 include/tgbot/types/File.h          | 10 ++++++--
 include/tgbot/types/MessageEntity.h |  4 ++--
 include/tgbot/types/PhotoSize.h     | 16 +++++++++----
 include/tgbot/types/Sticker.h       | 28 +++++++++++++---------
 include/tgbot/types/Update.h        | 10 +++++++-
 include/tgbot/types/Video.h         | 20 ++++++++++------
 include/tgbot/types/VideoNote.h     | 18 +++++++++-----
 include/tgbot/types/Voice.h         | 15 ++++++++----
 15 files changed, 214 insertions(+), 87 deletions(-)

(limited to 'include')

diff --git a/include/tgbot/Api.h b/include/tgbot/Api.h
index cc18807..f5b325e 100644
--- a/include/tgbot/Api.h
+++ b/include/tgbot/Api.h
@@ -67,7 +67,7 @@ public:
      */
     Message::Ptr sendMessage(std::int64_t chatId, const std::string& text, bool disableWebPagePreview = false, std::int32_t replyToMessageId = 0,
                              GenericReply::Ptr replyMarkup = std::make_shared<GenericReply>(), const std::string& parseMode = "", bool disableNotification = false) const;
-    
+
     Message::Ptr sendMessage(const std::string& chatId, const std::string& text, bool disableWebPagePreview = false, std::int32_t replyToMessageId = 0,
                             GenericReply::Ptr replyMarkup = std::make_shared<GenericReply>(), const std::string& parseMode = "", bool disableNotification = false) const;
 
@@ -682,11 +682,20 @@ public:
                            bool canEditMessages = false, bool canDeleteMessages = false, bool canInviteUsers = false, bool canPinMessages = false, bool canPromoteMembers = false) const;
 
     /**
-  * @brief Use this method to set default chat permissions for all members. The bot must be an administrator in the group or a supergroup for this to work and must have the can_restrict_members admin rights. Returns True on success.
-  * @param chatId Unique identifier for the target chat of the target supergroup.
-  * @param permissions New default chat permissions.
-  * @return True on success
-  */
+     * @brief Use this method to set a custom title for an administrator in a supergroup promoted by the bot.
+     * @param chatId Unique identifier for the target chat or username of the target supergroup (in the format @supergroupusername)
+     * @param userId Unique identifier of the target user
+     * @param customTitle New custom title for the administrator; 0-16 characters, emoji are not allowed
+     * @return True on success
+     */
+    bool setChatAdministratorCustomTitle(std::int64_t chatId, std::int64_t userId, const std::string& customTitle) const;
+
+    /**
+     * @brief Use this method to set default chat permissions for all members. The bot must be an administrator in the group or a supergroup for this to work and must have the can_restrict_members admin rights. Returns True on success.
+     * @param chatId Unique identifier for the target chat of the target supergroup.
+     * @param permissions New default chat permissions.
+     * @return True on success
+     */
     bool setChatPermissions(std::int64_t chatId, ChatPermissions::Ptr permissions) const;
 
     /**
diff --git a/include/tgbot/types/Animation.h b/include/tgbot/types/Animation.h
index ac54b2c..f1f62af 100644
--- a/include/tgbot/types/Animation.h
+++ b/include/tgbot/types/Animation.h
@@ -10,9 +10,7 @@
 namespace TgBot {
 
 /**
- * @brief You can provide an animation for your game so that it looks stylish in chats (check out Lumberjack for an example).
- *
- * This object represents an animation file to be displayed in the message containing a game.
+ * @brief This object represents an animation file (GIF or H.264/MPEG-4 AVC video without sound).
  *
  * @ingroup types
  */
@@ -21,27 +19,49 @@ public:
     typedef std::shared_ptr<Animation> Ptr;
 
     /**
-     * @brief Unique file identifier.
+     * @brief Identifier for this file, which can be used to download or reuse the file
      */
     std::string fileId;
 
     /**
-     * @brief Optional. Animation thumbnail as defined by sender.
+     * @brief Unique identifier for this file, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string fileUniqueId;
+
+    /**
+     * @brief Video width as defined by sender
+     */
+    std::int32_t width;
+
+    /**
+     * @brief Video height as defined by sender
+     */
+    std::int32_t height;
+
+    /**
+     * @brief Duration of the video in seconds as defined by sender
+     */
+    std::int32_t duration;
+
+    /**
+     * @brief Optional. Animation thumbnail as defined by sender
      */
     PhotoSize::Ptr thumb;
 
     /**
-     * @brief Optional. Original animation filename as defined by sender.
+     * @brief Optional. Original animation filename as defined by sender
      */
     std::string fileName;
 
     /**
-     * @brief Optional. MIME type of the file as defined by sender.
+     * @brief Optional. MIME type of the file as defined by sender
      */
     std::string mimeType;
 
     /**
-     * @brief Optional. File size.
+     * @brief Optional. File size
      */
     std::int32_t fileSize;
 };
diff --git a/include/tgbot/types/Audio.h b/include/tgbot/types/Audio.h
index dae8729..0db0a36 100644
--- a/include/tgbot/types/Audio.h
+++ b/include/tgbot/types/Audio.h
@@ -10,7 +10,7 @@
 namespace TgBot {
 
 /**
- * @brief This object represents an audio file (voice note).
+ * @brief This object represents an audio file to be treated as music by the Telegram clients.
  *
  * @ingroup types
  */
@@ -20,34 +20,39 @@ public:
     typedef std::shared_ptr<Audio> Ptr;
 
     /**
-     * @brief Unique identifier for this file.
+     * @brief Identifier for this file, which can be used to download or reuse the file
      */
     std::string fileId;
 
     /**
-     * @brief Duration of the audio in seconds as defined by sender.
+     * @brief Unique identifier for this file, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string fileUniqueId;
+
+    /**
+     * @brief Duration of the audio in seconds as defined by sender
      */
     std::int32_t duration;
 
     /**
-     * @brief Optional. Performer of the audio as defined by sender
-     * or by audio tags
+     * @brief Optional. Performer of the audio as defined by sender or by audio tags
      */
     std::string performer;
 
     /**
-    * @brief Optional. Title of the audio as defined by sender or
-    * by audio tags
+    * @brief Optional. Title of the audio as defined by sender or by audio tags
     */
     std::string title;
 
     /**
-     * @brief Optional. MIME type of the file as defined by sender.
+     * @brief Optional. MIME type of the file as defined by sender
      */
     std::string mimeType;
 
     /**
-     * @brief Optional. File size.
+     * @brief Optional. File size
      */
     std::int32_t fileSize;
 
@@ -56,7 +61,6 @@ public:
      */
     PhotoSize::Ptr thumb;
 };
-
 }
 
 #endif //TGBOT_CPP_AUDIO_H
diff --git a/include/tgbot/types/Chat.h b/include/tgbot/types/Chat.h
index 5731abd..4074643 100644
--- a/include/tgbot/types/Chat.h
+++ b/include/tgbot/types/Chat.h
@@ -12,7 +12,8 @@ namespace TgBot {
 
 class Message;
 /**
- * @brief This object represents a Telegram Chat
+ * @brief This object represents a chat.
+ *
  * @ingroup types
  */
 class Chat {
@@ -28,87 +29,102 @@ public:
     };
 
     /**
-     * @brief Unique identifier for this chat, not exceeding 1e13 by absolute value
+     * @brief Unique identifier for this chat.
+     *
+     * This number may be greater than 32 bits and some programming languages may have difficulty/silent defects in interpreting it.
+     * But it is smaller than 52 bits, so a signed 64 bit integer or double-precision float type are safe for storing this identifier.
      */
     std::int64_t id;
 
     /**
-     * @brief Type of chat: can be either "private", "group", "supergroup, or "channel".
+     * @brief Type of chat, can be either “private”, “group”, “supergroup” or “channel”
      */
     Type type;
 
     /**
-     * @brief Optional. Title for channels and group chat
+     * @brief Optional. Title, for supergroups, channels and group chats
      */
     std::string title;
 
     /**
-     * @brief Optional. Username for
-     * private chats and channels
+     * @brief Optional. Username, for private chats, supergroups and channels if available
      */
     std::string username;
 
     /**
-     * @brief Optional. First name of the
-     * other party in private chat
+     * @brief Optional. First name of the other party in a private chat
      */
     std::string firstName;
 
     /**
-     * @brief Optional. Last name of the
-     * other party in private chat
+     * @brief Optional. Last name of the other party in a private chat
      */
     std::string lastName;
 
     /**
-     * @brief Optional. True if a group
-     * has ‘All Members Are Admins’ enabled.
+     * @brief Deprecated since API 4.4. New bots should use the permissions field instead.
+     *
+     * Optional. True if a group has ‘All Members Are Admins’ enabled.
      */
     bool allMembersAreAdministrators;
 
     /**
      * @brief Optional. Chat photo.
+     *
      * Returned only in getChat.
      */
     ChatPhoto::Ptr photo;
 
     /**
-     * @brief Optional. Description, for supergroups and channel chats.
+     * @brief Optional. Description, for groups, supergroups and channel chats.
+     *
      * Returned only in getChat.
      */
     std::string description;
 
     /**
-     * @brief Optional. Chat invite link, for supergroups and channel chats.
+     * @brief Optional. Chat invite link, for groups, supergroups and channel chats.
+     *
+     * Each administrator in a chat generates their own invite links, so the bot must first generate the link using exportChatInviteLink.
      * Returned only in getChat.
      */
     std::string inviteLink;
 
     /**
-     * @brief Optional. Pinned message, for supergroups and channel chats.
+     * @brief Optional. Pinned message, for groups, supergroups and channels.
+     *
      * Returned only in getChat.
      */
     std::shared_ptr<Message> pinnedMessage;
 
     /**
      * @brief Optional. Default chat member permissions, for groups and supergroups.
+     *
      * Returned only in getChat.
      */
     ChatPermissions::Ptr permissions;
 
+    /**
+     * @brief Optional. For supergroups, the minimum allowed delay between consecutive messages sent by each unpriviledged user.
+     *
+     * Returned only in getChat.
+     */
+    std::int32_t slowModeDelay;
+
     /**
      * @brief Optional. For supergroups, name of group sticker set.
+     *
      * Returned only in getChat.
      */
     std::string stickerSetName;
 
     /**
      * @brief Optional. True, if the bot can change the group sticker set.
+     *
      * Returned only in getChat.
      */
     bool canSetStickerSet;
 };
-
 }
 
 #endif //TGBOT_CPP_CHAT_H
diff --git a/include/tgbot/types/ChatMember.h b/include/tgbot/types/ChatMember.h
index 47e79a4..99be20a 100644
--- a/include/tgbot/types/ChatMember.h
+++ b/include/tgbot/types/ChatMember.h
@@ -11,9 +11,11 @@ namespace TgBot {
 
 /**
  * @brief This object contains information about one member of the chat.
+ *
  * @ingroup types
  */
 class ChatMember {
+
 public:
     typedef std::shared_ptr<ChatMember> Ptr;
 
@@ -27,6 +29,11 @@ public:
      */
     std::string status;
 
+    /**
+     * @brief Optional. Owner and administrators only. Custom title for this user
+     */
+    std::string customTitle;
+
     /**
      * @brief Optional. Restricted and kicked only. Date when restrictions will be lifted for this user, unix time.
      */
diff --git a/include/tgbot/types/ChatPhoto.h b/include/tgbot/types/ChatPhoto.h
index f41d9b8..92275b2 100644
--- a/include/tgbot/types/ChatPhoto.h
+++ b/include/tgbot/types/ChatPhoto.h
@@ -8,21 +8,41 @@ namespace TgBot {
 
 /**
  * @brief This object represents a chat photo.
+ *
  * @ingroup types
  */
 class ChatPhoto {
+
 public:
     typedef std::shared_ptr<ChatPhoto> Ptr;
 
     /**
-     * @brief Unique file identifier of small (160x160) chat photo. This file_id can be used only for photo download.
+     * @brief File identifier of small (160x160) chat photo.
+     *
+     * This file_id can be used only for photo download and only for as long as the photo is not changed.
      */
     std::string smallFileId;
 
     /**
-     * @brief Unique file identifier of big (640x640) chat photo. This file_id can be used only for photo download.
+     * @brief Unique file identifier of small (160x160) chat photo, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string smallFileUniqueId;
+
+    /**
+     * @brief File identifier of big (640x640) chat photo.
+     *
+     * This file_id can be used only for photo download and only for as long as the photo is not changed.
      */
     std::string bigFileId;
+
+    /**
+     * @brief Unique file identifier of big (640x640) chat photo, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string bigFileUniqueId;
 };
 }
 
diff --git a/include/tgbot/types/Document.h b/include/tgbot/types/Document.h
index b82895f..128b757 100644
--- a/include/tgbot/types/Document.h
+++ b/include/tgbot/types/Document.h
@@ -10,7 +10,7 @@
 namespace TgBot {
 
 /**
- * @brief This object represents a general file (as opposed to photos and audio files).
+ * @brief This object represents a general file (as opposed to photos, voice messages and audio files).
  *
  * @ingroup types
  */
@@ -20,31 +20,37 @@ public:
     typedef std::shared_ptr<Document> Ptr;
 
     /**
-     * @brief Unique file identifier.
+     * @brief Identifier for this file, which can be used to download or reuse the file
      */
     std::string fileId;
 
     /**
-     * @brief Optional. Document thumbnail as defined by sender.
+     * @brief Unique identifier for this file, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string fileUniqueId;
+
+    /**
+     * @brief Optional. Document thumbnail as defined by sender
      */
     PhotoSize::Ptr thumb;
 
     /**
-     * @brief Optional. Original filename as defined by sender.
+     * @brief Optional. Original filename as defined by sender
      */
     std::string fileName;
 
     /**
-     * @brief Optional. MIME type of the file as defined by sender.
+     * @brief Optional. MIME type of the file as defined by sender
      */
     std::string mimeType;
 
     /**
-     * @brief Optional. File size.
+     * @brief Optional. File size
      */
     std::int32_t fileSize;
 };
-
 }
 
 #endif //TGBOT_CPP_DOCUMENT_H
diff --git a/include/tgbot/types/File.h b/include/tgbot/types/File.h
index 3dee2bc..58aa6af 100644
--- a/include/tgbot/types/File.h
+++ b/include/tgbot/types/File.h
@@ -23,10 +23,17 @@ public:
     typedef std::shared_ptr<File> Ptr;
 
     /**
-     * @brief Unique identifier for this file
+     * @brief Identifier for this file, which can be used to download or reuse the file
      */
     std::string fileId;
 
+    /**
+     * @brief Unique identifier for this file, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string fileUniqueId;
+
     /**
      * @brief Optional. File size, if known
      */
@@ -39,7 +46,6 @@ public:
      */
     std::string filePath;
 };
-
 }
 
 #endif //TGBOT_CPP_FILE_H
diff --git a/include/tgbot/types/MessageEntity.h b/include/tgbot/types/MessageEntity.h
index f12d2a7..9aa283d 100644
--- a/include/tgbot/types/MessageEntity.h
+++ b/include/tgbot/types/MessageEntity.h
@@ -21,12 +21,12 @@ public:
     /**
      * @brief Type of the entity.
      *
-     * Can be mention (@username), hashtag, cashtag, bot_command, url, email, phone_number, bold (bold text), italic (italic text), code (monowidth string), pre (monowidth block), text_link (for clickable text URLs), text_mention (for users without usernames)
+     * Can be “mention” (@username), “hashtag” (#hashtag), “cashtag” ($USD), “bot_command” (/start@jobs_bot), “url” (https://telegram.org), “email” (do-not-reply@telegram.org), “phone_number” (+1-212-555-0123), “bold” (bold text), “italic” (italic text), “underline” (underlined text), “strikethrough” (strikethrough text), “code” (monowidth string), “pre” (monowidth block), “text_link” (for clickable text URLs), “text_mention” (for users without usernames)
      */
     std::string type;
 
     /**
-     * @brief Offset in UTF-16 code units to the start of the entity.
+     * @brief Offset in UTF-16 code units to the start of the entity
      */
     std::int32_t offset;
 
diff --git a/include/tgbot/types/PhotoSize.h b/include/tgbot/types/PhotoSize.h
index 5d59e8a..a0cb5c5 100644
--- a/include/tgbot/types/PhotoSize.h
+++ b/include/tgbot/types/PhotoSize.h
@@ -18,26 +18,32 @@ public:
     typedef std::shared_ptr<PhotoSize> Ptr;
 
     /**
-     * @brief Unique identifier for this file.
+     * @brief Identifier for this file, which can be used to download or reuse the file
      */
     std::string fileId;
 
     /**
-     * @brief Photo width.
+     * @brief Unique identifier for this file, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string fileUniqueId;
+
+    /**
+     * @brief Photo width
      */
     std::int32_t width;
 
     /**
-     * @brief Photo height.
+     * @brief Photo height
      */
     std::int32_t height;
 
     /**
-     * @brief Optional. File size.
+     * @brief Optional. File size
      */
     std::int32_t fileSize;
 };
-
 }
 
 #endif //TGBOT_CPP_PHOTOSIZE_H
diff --git a/include/tgbot/types/Sticker.h b/include/tgbot/types/Sticker.h
index b1d5945..4986597 100644
--- a/include/tgbot/types/Sticker.h
+++ b/include/tgbot/types/Sticker.h
@@ -11,7 +11,7 @@
 namespace TgBot {
 
 /**
- * @brief This object represents a general file (as opposed to photos and audio files).
+ * @brief This object represents a sticker.
  *
  * @ingroup types
  */
@@ -21,27 +21,34 @@ public:
     typedef std::shared_ptr<Sticker> Ptr;
 
     /**
-     * @brief Unique file identifier.
+     * @brief Identifier for this file, which can be used to download or reuse the file
      */
     std::string fileId;
 
     /**
-     * @brief Optional. Sticker width.
+     * @brief Unique identifier for this file, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string fileUniqueId;
+
+    /**
+     * @brief Sticker width
      */
     std::int32_t width;
 
     /**
-     * @brief Optional. Sticker height.
+     * @brief Sticker height
      */
     std::int32_t height;
 
     /**
- * @brief True, if the sticker is animated.
-    */
+     * @brief True, if the sticker is animated
+     */
     bool isAnimated = false;
 
     /**
-     * @brief Optional. Optional. Sticker thumbnail in .webp or .jpg format.
+     * @brief Optional. Sticker thumbnail in the .webp or .jpg format
      */
     PhotoSize::Ptr thumb;
 
@@ -51,21 +58,20 @@ public:
     std::string emoji;
 
     /**
-     * @brief Optional. Name of the sticker set to which the sticker belongs.
+     * @brief Optional. Name of the sticker set to which the sticker belongs
      */
     std::string setName;
 
     /**
-     * @brief Optional. For mask stickers, the position where the mask should be placed.
+     * @brief Optional. For mask stickers, the position where the mask should be placed
      */
     MaskPosition::Ptr maskPosition;
 
     /**
-     * @brief Optional. File size.
+     * @brief Optional. File size
      */
     std::int32_t fileSize;
 };
-
 }
 
 #endif //TGBOT_CPP_STICKER_H
diff --git a/include/tgbot/types/Update.h b/include/tgbot/types/Update.h
index fa5f8f3..328ba2a 100644
--- a/include/tgbot/types/Update.h
+++ b/include/tgbot/types/Update.h
@@ -7,6 +7,7 @@
 #include "tgbot/types/CallbackQuery.h"
 #include "tgbot/types/ShippingQuery.h"
 #include "tgbot/types/PreCheckoutQuery.h"
+#include "tgbot/types/Poll.h"
 
 #include <cstdint>
 #include <memory>
@@ -14,7 +15,7 @@
 namespace TgBot {
 
 /**
- * @brief This object represents an incoming update.
+ * @brief This object represents an incoming update. At most one of the optional parameters can be present in any given update.
  *
  * @ingroup types
  */
@@ -76,6 +77,13 @@ public:
      * Contains full information about checkout
      */
     PreCheckoutQuery::Ptr preCheckoutQuery;
+
+    /**
+     * @brief Optional. New poll state.
+     *
+     * Bots receive only updates about stopped polls and polls, which are sent by the bot
+     */
+    Poll::Ptr poll;
 };
 
 }
diff --git a/include/tgbot/types/Video.h b/include/tgbot/types/Video.h
index 1702c5b..f305891 100644
--- a/include/tgbot/types/Video.h
+++ b/include/tgbot/types/Video.h
@@ -20,27 +20,34 @@ public:
     typedef std::shared_ptr<Video> Ptr;
 
     /**
-     * @brief Unique identifier for this file.
+     * @brief Identifier for this file, which can be used to download or reuse the file
      */
     std::string fileId;
 
     /**
-     * @brief Video width as defined by sender.
+     * @brief Unique identifier for this file, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string fileUniqueId;
+
+    /**
+     * @brief Video width as defined by sender
      */
     std::int32_t width;
 
     /**
-     * @brief Video height as defined by sender.
+     * @brief Video height as defined by sender
      */
     std::int32_t height;
 
     /**
-     * @brief Duration of the video in seconds as defined by sender.
+     * @brief Duration of the video in seconds as defined by sender
      */
     std::int32_t duration;
 
     /**
-     * @brief Optional. Video thumbnail.
+     * @brief Optional. Video thumbnail
      */
     PhotoSize::Ptr thumb;
 
@@ -50,11 +57,10 @@ public:
     std::string mimeType;
 
     /**
-     * @brief Optional. File size.
+     * @brief Optional. File size
      */
     std::int32_t fileSize;
 };
-
 }
 
 #endif //TGBOT_CPP_VIDEO_H
diff --git a/include/tgbot/types/VideoNote.h b/include/tgbot/types/VideoNote.h
index ebdf0cb..64684a3 100644
--- a/include/tgbot/types/VideoNote.h
+++ b/include/tgbot/types/VideoNote.h
@@ -20,31 +20,37 @@ public:
     typedef std::shared_ptr<VideoNote> Ptr;
 
     /**
-     * @brief Unique identifier for this file.
+     * @brief Identifier for this file, which can be used to download or reuse the file
      */
     std::string fileId;
 
     /**
-     * @brief Video width and height as defined by sender.
+     * @brief Unique identifier for this file, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string fileUniqueId;
+
+    /**
+     * @brief Video width and height (diameter of the video message) as defined by sender
      */
     std::int32_t length;
 
     /**
-     * @brief Duration of the video in seconds as defined by sender.
+     * @brief Duration of the video in seconds as defined by sender
      */
     std::int32_t duration;
 
     /**
-     * @brief Optional. Video thumbnail.
+     * @brief Optional. Video thumbnail
      */
     PhotoSize::Ptr thumb;
 
     /**
-     * @brief Optional. File size.
+     * @brief Optional. File size
      */
     std::int32_t fileSize;
 };
-
 }
 
 #endif //TGBOT_CPP_VIDEONOTE_H
diff --git a/include/tgbot/types/Voice.h b/include/tgbot/types/Voice.h
index 78b7282..34ab016 100644
--- a/include/tgbot/types/Voice.h
+++ b/include/tgbot/types/Voice.h
@@ -17,22 +17,29 @@ public:
     typedef std::shared_ptr<Voice> Ptr;
 
     /**
-     * @brief Unique identifier for this file.
+     * @brief Identifier for this file, which can be used to download or reuse the file
      */
     std::string fileId;
 
     /**
-     * @brief Duration of the audio in seconds as defined by sender.
+     * @brief Unique identifier for this file, which is supposed to be the same over time and for different bots.
+     *
+     * Can't be used to download or reuse the file.
+     */
+    std::string fileUniqueId;
+
+    /**
+     * @brief Duration of the audio in seconds as defined by sender
      */
     std::int32_t duration;
 
     /**
-     * @brief Optional. MIME type of the file as defined by sender;
+     * @brief Optional. MIME type of the file as defined by sender
      */
     std::string mimeType;
 
     /**
-     * @brief Optional. File size.
+     * @brief Optional. File size
      */
     std::int32_t fileSize;
 };
-- 
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