process.rb

define 'notify Arthur' do
  participant 'IM Arthur', :recipient => 'arthur@example.com', :network => 'jabber', :timeout => '1m'
  participant 'SMS Arthur', :recipient => '+12223334444'
end

define 'Gripe to Ford' do
  concurrence do
    participant 'email Ford', :recipient => 'ford@prefect.com'
    participant 'im Ford', :recipient => 'ford@prefect.com', :network => 'jabber'
  end
  participant 'call Ford', :recipient => '+14443332222'
end

define 'spam' do
  concurrence do
    subprocess 'notify Arthur'
    subprocess 'Gripe to Ford'
    participant 'Call Sally', :recipient => '+15556667777', :if => '${nighttime}'
  end
end

participant 'handle alert', :timers => '0m: spam'

radial

define arthur
  im  recipient: arthur@dent.com, network: jabber, timeout: 1m
  sms recipient: +12223334444

define ford
  concurrence timeout: 5m
    email recipient: ford@prefect.com
    im    recipient: ford@prefect.com, network: jabber
  call recipient: +14443332222

define spam
  concurrence
    subprocess arthur
    subprocess ford

handle_alert timers: '0m spam'