Добавлен пример с BaseFilter

examples/README.md

@@ -8,4 +8,5 @@
  - [Миддлварь в хендлерах](https://github.com/love-apples/maxapi/tree/main/examples/middleware_in_handlers/main.py) 
  - [Вебхуки](https://github.com/love-apples/maxapi/tree/main/examples/webhook) 
  - [Клавиатуры](https://github.com/love-apples/maxapi/tree/main/examples/keyboard/main.py) 
- - [Миддлварь в роутерах](https://github.com/love-apples/maxapi/tree/main/examples/middleware_for_router/main.py) 
+ - [Миддлварь в роутерах](https://github.com/love-apples/maxapi/tree/main/examples/middleware_for_router/main.py) 
+ - [BaseFilter](https://github.com/love-apples/maxapi/tree/main/examples/base_filter/main.py) 

examples/base_filter/main.py

@@ -0,0 +1,38 @@
+import asyncio
+import logging
+
+from maxapi import Bot, Dispatcher
+from maxapi.types import MessageCreated, CommandStart, UpdateUnion
+from maxapi.filters import BaseFilter
+
+logging.basicConfig(level=logging.INFO)
+
+bot = Bot(token='тут_ваш_токен')
+dp = Dispatcher()
+
+
+class FilterChat(BaseFilter):
+    
+    """
+    Фильтр, который срабатывает только в чате с названием `Test`
+    """
+    
+    async def __call__(self, event: UpdateUnion):
+        
+        if not event.chat:
+            return False
+        
+        return event.chat == 'Test'
+    
+
+@dp.message_created(CommandStart(), FilterChat())
+async def custom_data(event: MessageCreated):
+    await event.message.answer('Привет!')
+    
+    
+async def main():
+    await dp.start_polling(bot)
+
+
+if __name__ == '__main__':
+    asyncio.run(main())