An object holding text and images used to describe an achievement for an app.
Mac Catalyst 13.0+Beta
When you develop your game, you create localized achievement descriptions in App Store Connect. At runtime, your game retrieves these descriptions from Game Center. Usually your game downloads the achievement descriptions when it wants to present a custom achievement user interface to the player.
An object that communicates with Game Center about the local player’s progress toward completing an achievement.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.