I am making a telgram bot on python with module aiogram I wanna store some custom data on user side\ If there is a user session in aiogram?

I'm new to programming and I'm trying to implement function to my Telegram bot, which should check data from database, compare time and send notification if time has come. However I have this type of ...

Good evening, can you tell me how to pass a variable value from a button? I tried to implement something like that, but unfortunately I couldn't. Are there any other solutions to this problem? Code: v...

I have a Telegram Bot on aiogram, and I want to be notified when my bot is added or removed from channels. But my code only works on groups. What needs to be done to work on channels as well? And here...