Change Prestashop Module

Hello, i need to change a prestashop module. I have the source code of a prestashop 1.6 module I want to keep all features from this module [login to view URL] But insead using his api on sending sms i will need to use another api just a simple use curl $ch = curl_init(); $encoded_message = urlencode($wdescriere ) ; $string1 = "[login to view URL]" . $wphone_number . "&message=" . $encoded_message ; // echo $string1; // set URL and other appropriate options curl_setopt($ch, CURLOPT_URL, $string1); // grab URL and pass it to the browser curl_exec($ch); //close cURL resource, and free up system resources curl_close($ch);