Code in the button

When you are editing a record, I would like to run this code when you click the SMS button.

How can I do?

I helped to put this code in a button?
The code works when the carry-over in the event.
Thanks
global $conn;

$utente=$values["utente"];

$password=$values[""];

$da="MyApplication";

$cellulare=$values["Cellulare"];

$messaggio=$values["Messaggio"];
header("Location: https://www.voipstunt.com/myaccount/sendsms.php?username='".$utente."'&password='".$password."'&from='".$da."'&to='".$cellulare."'&text=".$messaggio."";);

exit();