How to send SMS verification

For the verification of something, if the mobile phone number is filled in the webpage with the verification code sent, then click that, and then fill in the verification code on the verification message received by the filled mobile phone and confirm it. If there is no icon to send the verification code, then look, how many messages will be sent on the web page, to which number, and so on. As mentioned above, then click the link to confirm that they were sent successfully.