var filters = new Array();
filters = new nlobjSearchFilter('status', null, 'is', 'SalesOrd:F');
filters = new nlobjSearchFilter('mainline', null, 'is', 'T');
var columns = new Array();
columns = new nlobjSearchColumn('statusref');
var results = nlapiSearchRecord('salesorder', null,filters,columns);
Notice that the criteria for the status is not indicated directly as 'Pending Billing' but 'SalesOrd:F' instead. Below is a list of valid Sales Order Status that can be used in the search filter.
Search Filter | Sales Order Status as seen in UI
SalesOrd:A Sales Order:Pending Approval
SalesOrd:B Sales Order:Pending Fulfillment
SalesOrd:C Sales Order:Cancelled
SalesOrd:D Sales Order:Partially Fulfilled
SalesOrd:E Sales Order:Pending Billing/Partially Fulfilled
SalesOrd:F Sales Order:Pending BillingSales Order:Billed
SalesOrd:H Sales Order:Closed
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