player(_:issuedChallengeWasCompleted:byFriend:)
Handles when a friend completes a challenge that the local player issues.
Declaration
optional func player(_ player: GKPlayer, issuedChallengeWasCompleted challenge: GKChallenge, byFriend friendPlayer: GKPlayer)Parameters
- player:
The player who issues the challenge.
- challenge:
The challenge that the friend completes.
- friendPlayer:
The player who completes the challenge.