A mask that specifies the role that the local player would like to play in the game.
- iOS 4.1+
- macOS 10.8+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 3.0+
If this value is
0x (the default), this property is ignored. If the value is nonzero, then automatching uses the value as a mask that restricts the role the player can play in the group. Automatching with player attributes matches new players into the game so that the bitwise OR of the masks of all the players in the resulting match equals
For more information, see Game Center Programming Guide.