Accounts.createUser({
    username: username,
    email: email,
    password: password
});

var username = Meteor.userId();
console.log(username);

var username = Meteor.userId().username;
console.log(username);

Accounts.onCreateUser(function (options, user) {

    user.username = user.profile.name;

    return user;

});

Meteor.userId();

Meteor.userId();

var uniqueID = Meteor.userId();
var username = Meteor.users.findOne({_id: uniqueID}).usename;

{{ currentUser.username }}

Meteor.users.findOne({ _id: Meteor.userId() }).username