'your access token', 'refresh_token' => 'your refresh token'); $wrap = new CS_REST_Segments('Segment ID', $auth); $result = $wrap->update(array( 'Title' => 'Segment Title', 'RuleGroups' => array( array( 'Rules' => array( array( 'RuleType' => 'EmailAddress', 'Clause' => 'CONTAINS example.com' ) ) ), array( 'Rules' => array( array( 'RuleType' => '[customfield]', 'Clause' => 'EQUALS 1' ) ) ) ) )); echo "Result of PUT /api/v3.1/segments/{segmentID}\n
"; if($result->was_successful()) { echo "Updated with code\n
".$result->http_status_code; } else { echo 'Failed with code '.$result->http_status_code."\n
";
    var_dump($result->response);
    echo '
'; }