title: How to call custom fields of a product in Volusion using Volusion API through php cURL?
body: <p>I have called volusion API from PHP using cURL to get all products using generic/all_products url. Finally I have listed the product attributes in XML format.</p>
  
  <p>Is it possibille to call custom field attributes for a product in 
  volusion while getting all products with their attributes.</p>