In our case, natc stands for no add to cart. After that just select a button from the library and play its CSS styles. The 3rd and final step is entirely optional but you may want to change the 'Buy Now' button wording to reflect the fact the product will be added to a cart. Step 5. To achieve this functionality, you will need to add a parameter to a link or button. I was able to Show and Hide Add to Cart Button depending on inventory availability. Has A Lot Of Potential. Access the Product Add To Cart element. Very flattering to figure. Add the following lines of code: {% if template contains 'product' %}