Added the method setStickerMaskPosition for changing the mask position of a mask sticker.

telebot/__init__.py

@@ -4581,6 +4581,23 @@ class TeleBot:
         """
         return apihelper.set_sticker_keywords(self.token, sticker, keywords)
     
+    def set_sticker_mask_position(self, sticker: str, mask_position: types.MaskPosition=None) -> bool:
+        """
+        Use this method to change the mask position of a mask sticker.
+        The sticker must belong to a sticker set that was created by the bot.
+        Returns True on success.
+
+        :param sticker: File identifier of the sticker.
+        :type sticker: :obj:`str`
+
+        :param mask_position: A JSON-serialized object for position where the mask should be placed on faces.
+        :type mask_position: :class:`telebot.types.MaskPosition`
+
+        :return: Returns True on success.
+        :rtype: :obj:`bool`
+        """
+        return apihelper.set_sticker_mask_position(self.token, sticker, mask_position)
+    
 
     def set_custom_emoji_sticker_set_thumbnail(self, name: str, custom_emoji_id: Optional[str]=None) -> bool:
         """

telebot/apihelper.py

@@ -1628,6 +1628,13 @@ def set_sticker_keywords(token, sticker, keywords=None):
         payload['keywords'] = json.dumps(keywords)
     return _make_request(token, method_url, params=payload, method='post')
 
+def set_sticker_mask_position(token, sticker, mask_position=None):
+    method_url = 'setStickerMaskPosition'
+    payload = {'sticker': sticker}
+    if mask_position:
+        payload['mask_position'] = mask_position.to_json()
+    return _make_request(token, method_url, params=payload, method='post')
+
     
 def upload_sticker_file(token, user_id, sticker, sticker_format):
     method_url = 'uploadStickerFile'

telebot/async_telebot.py

@@ -5429,6 +5429,23 @@ class AsyncTeleBot:
         :rtype: :obj:`bool`
         """
         return await asyncio_helper.set_sticker_keywords(self.token, sticker, keywords)
+    
+    async def set_sticker_mask_position(self, sticker: str, mask_position: types.MaskPosition=None) -> bool:
+        """
+        Use this method to change the mask position of a mask sticker.
+        The sticker must belong to a sticker set that was created by the bot.
+        Returns True on success.
+
+        :param sticker: File identifier of the sticker.
+        :type sticker: :obj:`str`
+
+        :param mask_position: A JSON-serialized object for position where the mask should be placed on faces.
+        :type mask_position: :class:`telebot.types.MaskPosition`
+
+        :return: Returns True on success.
+        :rtype: :obj:`bool`
+        """
+        return await asyncio_helper.set_sticker_mask_position(self.token, sticker, mask_position)
 
     async def get_custom_emoji_stickers(self, custom_emoji_ids: List[str]) -> List[types.Sticker]:
         """

telebot/asyncio_helper.py

@@ -1613,7 +1613,14 @@ async def set_sticker_keywords(token, sticker, keywords=None):
     payload = {'sticker': sticker}
     if keywords:
         payload['keywords'] = json.dumps(keywords)
-        
+
+    return await _process_request(token, method_url, params=payload, method='post')
+
+async def set_sticker_mask_position(token, sticker, mask_position=None):
+    method_url = 'setStickerMaskPosition'
+    payload = {'sticker': sticker}
+    if mask_position:
+        payload['mask_position'] = mask_position.to_json()
     return await _process_request(token, method_url, params=payload, method='post')
 
 async def upload_sticker_file(token, user_id, sticker, sticker_format):