public static async Task CreateLeaderboardDefinitionAsync(PlayFabAuthenticationContext context, string leaderboardName)
{
    PlayFabProgressionInstanceAPI leaderboardsAPI = new PlayFabProgressionInstanceAPI(context);
    CreateLeaderboardDefinitionRequest leaderboardDefinitionRequest = new CreateLeaderboardDefinitionRequest()
    {
        AuthenticationContext = context,
        Name = leaderboardName,
        SizeLimit = 10000,
        EntityType = "title_player_account",
        VersionConfiguration = new VersionConfiguration()
        {
            MaxQueryableVersions = 1,
            ResetInterval = ResetInterval.Manual,
        },
        Columns = new List<LeaderboardColumn>()
        {
            new LeaderboardColumn()
            {
                Name = "Eliminations",
                SortDirection = LeaderboardSortDirection.Descending,
            },
            new LeaderboardColumn()
            {
                Name = "SkillPoints",
                SortDirection = LeaderboardSortDirection.Descending,
            }
            new LeaderboardColumn()
            {
                Name = "Deaths",
                SortDirection = LeaderboardSortDirection.Ascending,
            }         
        }
    };

    PlayFabResult<PlayFab.LeaderboardsModels.EmptyResponse> createLbDefinitionResult = await leaderboardsAPI.CreateLeaderboardDefinitionAsync(leaderboardDefinitionRequest);
}

public static async Task<List<EntityLeaderboardEntry>> GetLeaderboard(PlayFabAuthenticationContext context, string leaderboardName)
{
    PlayFabProgressionInstanceAPI leaderboardsAPI = new PlayFabProgressionInstanceAPI(context);
    GetEntityLeaderboardRequest getLbRequest = new GetEntityLeaderboardRequest()
    {
        LeaderboardName = leaderboardName,
        StartingPosition = 1,
        PageSize = 20,
        AuthenticationContext = context,
    };

    PlayFabResult<GetEntityLeaderboardResponse> lbResponse = await leaderboardsAPI.GetLeaderboardAsync(getLbRequest);
    
    return lbResponse.Result;
}