ChatOwnerLeft¶ class aiogram.types.chat_owner_left.ChatOwnerLeft(*, new_owner: User | None = None, **extra_data: Any)[source]¶ Describes a service message about the chat owner leaving the chat. Source: https://core.telegram.org/bots/api#chatownerleft new_owner: User | None¶ Optional. The user which will be the new owner of the chat if the previous owner does not return to the chat