How to send a text message showing that it was sent by windows phone?

Now, when windows phone automatically replies to a message, it will add a word at the end of the message-Windows Phone automatically replies. But if you want to use this automatic reply function of WP, you must upgrade to WP Denim or GDR 1, and then set the quiet time. Only messages received during quiet hours will be automatically replied, and you will not be prompted during this period.