var po = nlapiLoadRecord("purchaseorder", 815456);...
# suitescript
m
var po = nlapiLoadRecord("purchaseorder", 815456); var itemCount = po.getLineItemCount("item"); for (var x = 0; x < itemCount; x++) { if (x == 1) { nlapiRemoveLineItem('item', 1) } alert(x) }