public function getServiceStatus($requestParameters = array())
{
$parameters = array();
$parameters['Action'] = 'GetServiceStatus';
$requestParameters = array_change_key_case($requestParameters, CASE_LOWER);
$fieldMappings = array('merchant_id' => 'SellerId', 'mws_auth_token' => 'MWSAuthToken');
$responseObject = $this->setParametersAndPost($parameters, $fieldMappings, $requestParameters);
return $responseObject;
}