Your goods should be categorized according to uniform groups.
First of all add categories (Categories ->Manage Categories) by clicking on the Plus(+) button.
Then add products (Products -> Manage Products) by clicking on the Plus(+) button.
For products that are quantified, turn on the Switch under the Quantified Column of the product, then go to Restock and add the product quantity.
You can set expiry dates of products under Expiry.
For a comprehensive guide to setting up Invema,
download and read the complete guide.