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30 lines
716 B
Markdown
30 lines
716 B
Markdown
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# CallbackQueryHandler
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There is base class for callback query handlers.
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## Simple usage:
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```pyhton3
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from aiogram.handlers import CallbackQueryHandler
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...
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@router.callback_query_handler()
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class MyHandler(CallbackQueryHandler):
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async def handle(self) -> Any: ...
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```
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## Extension
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This base handler is subclass of [BaseHandler](basics.md#basehandler) with some extensions:
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- `self.from_user` is alias for `self.event.from_user`
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- `self.message` is alias for `self.event.message`
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- `self.callback_data` is alias for `self.event.data`
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## Related pages
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- [BaseHandler](basics.md#basehandler)
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- [CallbackQuery](../../api/types/callback_query.md)
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- [Router.callback_query_handler](../router.md#callback-query)
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