Client
Meteor.loginWithPassword(user, password, [callback])
import { Meteor } from 'meteor/meteor' Source
Log the user in with a password.
Arguments
user Object or String Either a string interpreted as a username or an email; or an object with a single key: email, username or id. Username or email match in a case insensitive manner. password String The user's password. callback Function Optional callback. Called with no arguments on success, or with a single Error argument on