/**
  * Delete one object
  * @param   string $pk    Required parameter: CustomerID
  * @return CustomersModel response from the API call*/
 public function DeleteOneCustomers($pk)
 {
     //prepare query string for API call
     $queryBuilder = Configuration::BASEURI . "/Customers/{pk}";
     //process optional query parameters
     APIHelper::appendUrlWithTemplateParameters($queryBuilder, array("pk" => $pk));
     //validate and preprocess url
     $queryUrl = APIHelper::cleanUrl($queryBuilder);
     //prepare headers
     $headers = array("User-Agent" => @"APIMATIC 2.0", "Accept" => "application/json");
     //prepare API request
     $request = Unirest::delete($queryUrl, $headers);
     //and invoke the API call request to fetch the response
     $response = $request->getResponse();
     //Error handling using HTTP status codes
     if ($response->code < 200 || $response->code > 206) {
         //[200,206] = HTTP OK
         throw new APIException("HTTP Response Not OK", $response->code);
     }
     return $response->body;
 }