<?php require_once '../../csrest_segments.php'; $wrap = new CS_REST_Segments('Segment ID', 'Your API Key'); $result = $wrap->add_rule(array('Subject' => 'EmailAddress', 'Clauses' => array('CONTAINS example.com'))); echo "Result of PUT /api/v3/segments/{segmentID}/rules\n<br />"; if ($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>'; }