Will there be a prompt tone when Apple 12 intercepts SMS?

there is no prompt after intercepting the message.

first, find the phone icon on the main screen of iPhone, click Open to find the strange phone number you want to block in recent calls, click the details icon on the right side of the phone number column, find the option to block this incoming number at the bottom of the phone number profile information, click it, then click Block Contact in the option that pops up at the bottom, and then the phone is successfully blocked. If you want to cancel, click Cancel to block this incoming number. Of course, the phone number of the contact saved in the address book of the mobile phone can also be blocked. Click the contact who wants the screen in the address book, similarly click the option of blocking this incoming number at the bottom of the contact profile information, and then click the option of blocking the contact.