A challenge sent to another player urging them to complete a specific achievement.


class GKAchievementChallenge : GKChallenge


Obtaining the Achievement

var achievement: GKAchievement?

The achievement the player must complete.


Inherits From

Conforms To

See Also


class GKChallenge

An object representing a challenge issued by the local player to another player.

class GKScoreChallenge

An object representing a challenge based on a score in a leaderboard.

protocol GKChallengeListener

An object that responds to challenge events.

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