aiogram/docs/dispatcher/class_based_handlers/poll.md
mpa 4124770b0e refactor(handler): rename observers
Rename observers but with backward compatibility, relevant documentation
2020-05-10 03:02:31 +04:00

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# PollHandler
There is base class for poll handlers.
## Simple usage:
```pyhton3
from aiogram.handlers import PollHandler
...
@router.poll()
class MyHandler(PollHandler):
async def handle(self) -> Any: ...
```
## Extension
This base handler is subclass of [BaseHandler](basics.md#basehandler) with some extensions:
- `self.question` is alias for `self.event.question`
- `self.options` is alias for `self.event.options`
## Related pages
- [BaseHandler](basics.md#basehandler)
- [Poll](../../api/types/poll.md)
- [Router.poll](../router.md#poll)