gistfile1.txt

add_filter( "houzez_property_feed_properties_due_import_kyero", 'new_build_only', 10, 2 );
add_filter( "houzez_property_feed_properties_due_import_xml", 'new_build_only', 10, 2 );
function new_build_only( $properties, $import_id )
{
    $new_properties = array();
    
    foreach ( $properties as $property )
    {
        if (isset($property->new_build) && (string)$property->new_build == '1')
        {
            $new_properties[] = $property;
        }
    }
    
    return $new_properties;
}