DSC+hashtable.ps1

#Assuming you already have this hashtable
$MyHash = @{
  Ensure  = 'Present'
  Name    = 'Putty'
  Version = 'Latest'
  ChocolateyOptions = @{ source = 'https://chocolatey.org/api/v2/' }
}

Configuration MyDscConfig {
    $Allnodes.nodename {
          ChocolateyPackage Putty {
            Ensure  = $MyHash['Ensure']
            Name    = $MyHash['Name']
            Version = $MyHash['Version']
            ChocolateyOptions = $MyHash['ChocolateyOptions']
        }
    }
}