public static function SendValue($cityName, $attributeName, $value) { $base_url = "https://osi-serv.osibr.com/piwebapi/"; $url = $base_url . "attributes?path=\\\\MARC-PI2014\\AFPartnerCourseWeather\\Cities\\" . $cityName . "|" . $attributeName; $result = PIWebAPIWrapper::MakeGetRequest($url); $url_to_send = $result->Links->Value; $postData = "{'Value': " . $value . " }"; $statusCode = PIWebAPIWrapper::MakePostRequest($url_to_send, $postData); return $statusCode; }