How to enter a promo code in Planet Fitness app?

so here's planet fitness app so when you are choosing a club here so basically let's go from the start uh just go to the settings in top left and here you can enter a promo code so if you just tap a car my account join now then you need to select a club in the location you want to join you can view details and if you want to join this exact club if you have a promo code this is the place where you can enter your promo code of course if you bought it or someone gave to you in the club maybe planet fitness is running some promotions maybe there are some summer promotion so this is where you can apply it and enter it and then probably there will be some discount on on these programs