$user.UserName - string - Username for the user.
$user.DisplayName - string - Chosen display name for the user.
$user.Password - string - Password for the user. (Only available on the newuser_ templates)
$user.PasswordQuestion - string - Security question for the user if password is forgotten.
$user.PasswordAnswer - string - Answer to PasswordQuestion.
$user.UserID - int - Unique identifier for the user.
$user.AvatarUrl - string - Path to the user's avatar.
$user.Email - string - The user's real email address.
$user.TotalPosts - int - Total posts by the user.
$user.RecentPosts - int - Number of recent posts by the user.
$user.Points - int - Points for the user.
$user.DateCreated - DateTime - The date/time the user's account was created.
$user.LastLogin - DateTime - The date/time the user last logged in.
$user.LastActivity - DateTime - The date/time the user last logged in.