Help on connecting repeater to a filtered dropdown via dataset

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I tried your example but the page is in german and I don’t understand :frowning:

This is what I’ve defined in my user-interface:

import wixData from 'wix-data';

//------------[User-Interface-----------------------------------------------------|
var DATABASE = "#newbuilddataset"
var REPEATER = "#repeater2"
var DropDowns= []
var MEMdropdowns = []
var DDprefix = "#sitedropdown, #locationdropdown, #advisordropdown";
//----------------------------------|
DropDowns[0] = "site"  ; 
DropDowns[1] = "location"  ;  
DropDowns[2] = "advisor"  ;

Is this correct? Do I need to add something next to the below:

var DropDowns =

var MEMdropdowns =