How to add product meta in the packing slip?

This feature is available in the premium plugin. 

1. Go to the Challan Settings Menu from WordPress Dashboard.
2. Click on the Packing Slip tab.
3. In the Product Info sub-section, Click the “+Add Product Meta” button.

4. You’ll see all the available product meta like this:

Select one and add a “label” then click again “+Add Product Meta” button if you need to add another product meta.