public override void Add(Action <string> output = null, Action <string> error = null)
{
Database userDatabase = ServiceTools.GetUserDatabase();
string userName = GetArgument("name", "Please enter the name for the new user");
string emailAddress = GetArgument("email", "Please enter the new user's email address");
User user = User.Create(userName, emailAddress, ServiceTools.ConfirmPasswordPrompt().Sha1());
output($"*** user created ***\r\n{user.ToYaml()}");
}