During the creation of your product you will see the standard price in the online or offline creator tool (excluding any discount). Finish your product and click on "Order". 

In your shopping basket you will see an overview of the product(s) you are wanting to order, the number of copies and the total amount due. At the bottom left you will find the possibility to enter your promotional code.

Type the promotional code in the box (or copy and paste) and click on "Submit".

Please note: when copying and pasting the promotional code be sure to check that no additional spaces have accidentally been pasted. The promotional code must match to be accepted. 

Click image to enlarge. 

If the code is valid for your products, the discount is immediately deducted. Click on "Continue" to finish your order.

Trouble using the code? See my promotional code does not work for further details. 

Have fun with your photo product!