This discount requirement can be used with any other discount type. To use this discount rule, the discount requirement type should be configured as On Every X Customer Order and need to provide value for Apply discount on every order X as displayed in the image below.


on-every-x-ord-disc-req


Once saved, the discount requirement will be added to the discount as displayed in the image below.


on-every-x-order-req-group


That's all you need to do in order to use this discount requirement in your nopCommerce store.