cron_hora       => '[2, 14]',

  cron { "aws_snapshots::cron":
    ensure  => present,
    user    => 'root',
    command => 'touch /tmp/teste',
    hour    => $cron_hora
  }

Error: Failed to apply catalog: Parameter hour failed on Cron[aws_snapshots::cron]: [2, 14] is not a valid hour at /etc/puppet/modules/aws_snapshots/manifests/config.pp:84