delete_user_history()¶ Client.delete_user_history()¶ Delete all messages sent by a certain user in a supergroup. Usable by Users Bots Parameters:¶ chat_id (``int`` | ``str``) – Unique identifier (int) or username (str) of the target chat. user_id (``int`` | ``str``) – Unique identifier (int) or username (str) of the user whose messages will be deleted. Returns:¶ ``bool`` (True on success, False otherwise.)