var streetLayer = FeatureSetByName($datastore, "streets_WGS_Project", ["NAME"]);
var searchDistance = 100;
var streetIntersect = Intersects(streetLayer, BufferGeodetic($feature, searchDistance, "feet"));
var cnt = Count(streetIntersect);

var minDistance = Infinity;
var name = Null
if (cnt > 0) {
    for (street in streetIntersect) {
        var dist = DistanceGeodetic(street, $feature, "feet");
        if (dist < minDistance) {
            name = street.NAME;
            minDistance = dist
        }
    }
} else {
    // pass no features found within search distance, name remains null
}

return name;