【Updated: 】
Every player in Animal Crossing: Pocket Camp has a unique player ID.
You can enter another person's player ID or have another player enter your player ID to initiate a friend request. Once a request is sent, the other player must confirm the request for you to become friends.
How to check your player ID:
❶ Select Social.
❷ Select Friends.
❸ Select Search.
❹ Select Share Your ID.
Your player ID will be displayed.
How to enter a player ID:
❶ Select Social.
❷ Select Friends.
❸ Select Search.
❹ Select Enter an ID.
When you enter someone else's player ID, a friend request will be sent to that player.