##
  # Twitter [Notifier]
  #
  notify_by Twitter do |tweet|
    tweet.on_success = true
    tweet.on_warning = true
    tweet.on_failure = true

    tweet.consumer_key       = "my_consumer_key"
    tweet.consumer_secret    = "my_consumer_secret"
    tweet.oauth_token        = "my_oauth_token"
    tweet.oauth_token_secret = "my_oauth_token_secret"
  end