@Alois-D go to Vent admin and vent and look at the feature i then want you to replicate it and the code to all vents, adjusting the arrows so they would point in the direction of the vent they lead to, i havent been able to to do the coding to click the arrows and it takes you to the vent it leads to, ill keep trying and let you know
Please love fav and follow (if u want) :)