View Source ExTDLib.Method.DeleteChatBackground (ExTDLib v0.0.4)

Deletes background in a specific chat. Returns object_ptr<Ok>.

NameTypeDescription
chat_idstringChat identifier.
restore_previousboolPass true to restore previously set background. Can be used only in private and secret chats with non-deleted users if userFullInfo.set_chat_background == true. Supposed to be used from messageChatSetBackground messages with the currently set background that was set for both sides by the other user.

More details on telegram's documentation.