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How can I check this? Thanks for responding

I see, I just am calling save() without options, I am assuming I need to add something like:
sales_order.save({
  enableSourcing : true,
});

This is the rest of the relevant code:
```
var sales_order = Nrecord.create({
    type: Nrecord.Type.SALES_ORDER,
    isDynamic: true,
    defaultValues: {
      entity: datain.customer_id
    }
});

function commitNewItem(item) {
    sales_order.selectNewLine('item');
    sales_order.setCurrentSublistValue('item', 'item', item.internalid);
    sales_order.setCurrentSublistValue('item', 'quantity', item.quantity);
    sales_order.commitLine('item');
}

for (var i = 0; i &lt; datain.items.length; i++) {
    commitNewItem(datain.items[i]);
}

sales_order.save()
```

I tried it with
```sales_order.save({
  enableSourcing : true,
});
```
but no luck still.

no problem at all, thanks for taking a look

For class field, we use a custom field name "Product Line" - am wondering if this would affect it.

Quite Possibly. May just be easier to set it on the script.

Just ended up doing that. Thanks for your help Karl.