To use this module, you need to:

1.  Go to *Sales \> Orders \> Orders* and choose an existing sales order
    or create a new one.
2.  Click on 'Add a product' under 'Order Lines' tab, then click on
    'Product' field to deploy products list.
3.  You will see stock availability (Free To Use Quantity) of each
    product as part of their name.
