netsuite Working with Sublists [1.0] How many lines on a sublist?
Example
// How many Items does a Sales Order have...
// ... if we're in the context of a Sales Order record
var itemCount = nlapiGetLineItemCount("item");
// ... or if we've loaded the Sales Order
var order = nlapiLoadRecord("salesorder", 123);
var itemCount = order.getLineItemCount("item");
