When you create an invoice, you'll be able to include products on it, in the same way you include billable items. You'll "sell" a product by adding it to an invoice, and when you do this, the stock level of that product will be reduced accordingly! 

First things first, create the invoice. Under Invoice items, hit the Add product button:

You'll then be able to select the product you want to add. If you have a lot, a drop-down list will display, but you can type the product in (or even just a few letters of its name) and Cliniko will "match" some options for you to select from:

Select the product you want to include, and it'll show up as a line item! You can adjust the quantity if need be, add a discount, and even add additional products. When you're finished, create the invoice. You'll see that product display like this:

And your patient will see something like this on the PDF version of the invoice:

Congrats! You've just sold a product (or several)! 🎉

If you check the product's settings, you'll also be able to see that the stock level has automatically adjusted itself, based on the quantity that you sold. For example, a -1 indicates that just one item was sold:

Have other questions on products? We have a whole lot of goodies to read through here!