sending. nudes

Ok so I'm on the dating app yellow where you add ppl on Snapchat and this guy added me and he was like send nudes so I asked him for some in return and I got back on the app and one of the new people I should talk to was him and I kinda told him hey if we're gonna continue to talk we need to set up some rules or we're not gonna talk do u think it's oaky if we still talk ??