Instant Games SDK v8.0: FBInstant.tournament

FBInstant.tournament.createAsync({
  initialScore: 100,
  config: {
    title: 'Best Score Showdown',
    sortOrder: 'HIGHER_IS_BETTER',
    scoreFormat: 'NUMERIC',
    // Optional: end the tournament 24 hours from now.
    // Defaults to one week after creation if omitted.
    endTime: Math.floor(Date.now() / 1000) + 24 * 60 * 60,
  },
  data: { level: 1 },
}).then(function(tournament) {
  console.log(tournament.getID());
  console.log(tournament.getContextID());
  // Continue the game in the newly created tournament context.
}).catch(function(error) {
  console.error(error.message);
});

FBInstant.tournament.getTournamentsAsync()
 .then(tournaments => {
   // tournament list
 });

FBInstant.getTournamentAsync().then((tournament) => {
   console.log(tournament.getID());
});
// 1122334455
FBInstant.tournament
  .joinAsync('1122334455')
  .then(function() {
     // Context switch completed successfully.
  });

let bestScore = 0;

function onScore(score) {
  if (score > bestScore) {
    bestScore = score;
    FBInstant.tournament.postScoreAsync(bestScore)
      .then(function() {
        console.log('Score posted to the tournament leaderboard.');
      });
  }
}

FBInstant.tournament.shareAsync({
  score: 3,
  data: { myReplayData: '...' }
}).then(function() {
  // continue with the game.
});