Download Ps4 Add Ons

This may be a dumb question. how do i download addons to my ps4 if i redeemed the code online? only now, i can't figure out how to download those items to my console. edit. according to this, any codes you redeem are supposed to show up in your download list here. except mine aren't showing up. go to my add-ons. permalink; embed; save. New ps4 add-ons new ps4 demos ps4 pre-orders playstation