/// <summary>
/// Gets the leaderboard by id.
/// </summary>
/// <param name="leaderboardId">Leaderboard id.</param>
/// <param name="onSuccess">Action called if operation was successful.</param>
/// <param name="onFailure">Action called if operation failed to complete. Optional.</param>
public void GetLeaderboard(string leaderboardId, Action <Leaderboard> onSuccess, Action onFailure = null)
{
Check.Argument.IsStrNotNullOrEmpty(leaderboardId, "leaderboardId", "Leaderboard id can't be null or empty");
Check.Argument.IsNotNull(onSuccess, "onSuccess", "Success callback cannot be null");
getSocialImpl.GetLeaderboard(leaderboardId,
GetLeaderboardOnSuccessAdapter(onSuccess),
GetLeaderboardOnFailureAdapter(onFailure)
);
}