How to ADD FRIENDS in POKEMON GO app?

here's Pokemon Go app tap on bottom profile in the bottom left tap on friends and here how you can add friends the tap add friend so first you just have your trainer code you can copy a trainer code you can share your trainer code and then just your friends can enter it as you can add have your friends send you this code and then you can just enter enter trainer code here alternatively of course you can just add Facebook friends or add friends from contacts so that's what you can do as well yeah so give access your contacts uh login with Facebook or just get your friend's trainer code you can also use like a QR code and scan via QR code so plenty of ways to add friends on Pokemon go