Creates a new leaderboard.
The name of the leaderboard.
The description of the leaderboard.
The start date of the leaderboard in Unix timestamp.If set, the leaderboard will only be visible in game-hub after this date.
The end date of the leaderboard in Unix timestamp.If set, the leaderboard will only be visible in game-hub before this date.
Successful Response
The unique identifier of the leaderboard.