For example:
$w.onReady( function () {
$w("#dataset2").onReady(() => {
$w("#repeaterElement").onClick(event => {
const itemData = $w("#repeater1").data.find(e => e._id === event.context.itemId);
filterRepeater2(itemData);
});
})
})
function filterRepeater2(itemData){
$w("#dataset2").setFilter(wixData.filter().eq("type", itemData.type));
}