Notifier::Prowl (Extra)

notify_by Prowl do |prowl|
  prowl.on_success = true
  prowl.on_warning = true
  prowl.on_failure = true

  prowl.application = 'my_application'  # Example: Server Backup
  prowl.api_key     = 'my_api_key'

  # Change default notifier message.
  # See https://github.com/backup/backup/pull/698 for more information.
  # prowl.message = lambda do |model, data|
  #   "[#{data[:status][:message]}] #{model.label} (#{model.trigger})"
  # end
end

Prowl is an iOS push notification gateway. Backup can connect to Prowl and deliver success and/or failure notifications directly to your iOS device. All you need is a Prowl account. Go to the API keys tab after registration, generate a key and copy/paste it into your notifier configuration.