<?php require_once '../../csrest_segments.php'; $auth = array('access_token' => 'your access token', 'refresh_token' => 'your refresh token'); $wrap = new CS_REST_Segments('Segment ID', $auth); $result = $wrap->add_rulegroup(array('Rules' => array(array('RuleType' => 'EmailAddress', 'Clause' => 'CONTAINS example.com')))); echo "Result of PUT /api/v3.1/segments/{segmentID}/rules\n<br />"; if ($result->was_successful()) { echo "Updated with code\n<br />" . $result->http_status_code; } else { echo 'Failed with code ' . $result->http_status_code . "\n<br /><pre>"; var_dump($result->response); echo '</pre>'; }