rule "Alexa - Fenster offen"
when
    Member of Amazon_Echos changed to "sind noch fenster offen"
then
val currentEcho = Amazon_Echos.members.sortBy[lastUpdate].last
    val OffeneFenster = Fenster.members.filter[ i | i.state == OPEN ].map[ label ].reduce[ s, label | s + ", " + label ]
      if(Fenster.state == OPEN)   {
currentEcho.sendCommand("Ja, folgende Fenster sind geöffnet. " + OffeneFenster)
        }
      else {
currentEcho.sendCommand("Nein alle Fenster sind zu")
      }
end