/** Get a service caller to call a service synchronously. */
//ServiceCallSync sync();
/** Map of name, value pairs that make up the context (in parameters) passed to the service. */
// ServiceCallSync parameters(Map<String, ?> context);
/** Call the service synchronously and immediately get the result.
* @return Map containing the result (out parameters) from the service call.
*/
//Map<String, Object> call() throws ServiceException;
Map priceMap = ec.service.sync().name("mantle.product.PriceServices.get#ProductPrice")
.parameters([productId:'DEMO_1_1', priceUomId:priceUomId, quantity:1,
vendorPartyId:vendorPartyId, customerPartyId:customerPartyId]).call()