notify define

-- Code
define foo(){

   exec { "${name}_exec":
     command     => "echo hello ${name}",
     path        => '/bin:/usr/bin',
     refreshonly => true,
     logoutput   => true,
   }

   anchor { 'foo_begin':
        subscribe => Exec["${name}_exec"]
        }

   file { "${name}_file":
     path => "/tmp/${name}",
     content => "Test file for ${name}\n",
     ensure => file,
     subscribe => Exec["${name}_exec"]
     }
    ->
    notify {'Notify_works':}

   anchor { 'foo_end':
        notify => Notify['foo_done']
        }

   notify { 'foo_done':
        message => "Foo is done"
        }

}

...
class act::server::linux::db::oracle inherits act::server::linux {

  # Check if oracle is installed. If not, install it.
  if !$::oracle_installed {

    notify {'oracle_not_installed':
      message => "Oracle is not installed. Installing..."}
    # Check if Oracle Version required is defined. Fail if not.
    if $::oracle_version == undef {
      fail("oracle_version is not defined.")
    } else {
      # Include the act::env::oracle class to setup and install oracle.
      class {'act::env::oracle':
        version => $::oracle_version,
      }
    }

  } else {
    notify {'oracle_installed':
          message => "Oracle $::oracle_version is already installed. Skipping."}
  }

foo { 'bar': }

  # Test file
  file { 'test_ora_file':
        ensure => file,
        content => "Test ora file\n",
        path => '/tmp/ora_file',
        notify => Foo['bar']

        }

}

-- Log
Oracle 11.2.0.3 is already installed. Skipping.
/Stage[main]/Act::Server::Linux::Db::Oracle/Notify[oracle_installed]/message: defined 'message' as 'Oracle 11.2.0.3 is already installed. Skipping.'
Foo is done
/Stage[main]/Act::Server::Linux::Db::Oracle/Foo[bar]/Notify[foo_done]/message: defined 'message' as 'Foo is done'
Notify_works
/Stage[main]/Act::Server::Linux::Db::Oracle/Foo[bar]/Notify[Notify_works]/message: defined 'message' as 'Notify_works'
Environment = production
/Stage[main]//Notify[environment]/message: defined 'message' as 'Environment = production'
Finished catalog run in 1.52 seconds