UUID uuid = player.getUniqueID();
IUser user = questsAPI.getUserUtil().getUser(uuid);
user.setRemainingChallenges(5);
user.getPlayer().sendMessage("The remaining challenges has been set to 5.");
Manipulating the progress of a quest or challenge
UUID uuid = player.getUniqueID();
IUser user = questsAPI.getUserUtil().getUser(uuid);
user.getUserQuestsProgress("first_win").setProgress(10); // Set the progress to 10.
user.getUserQuestsProgress("first_win").setStatus(QuestStatus.COMPLETED); // Set the status to completed.
user.getPlayer().sendMessage("§aQuests §8» §7Quest §aFirst Win §7completed!");