public static function get_field_map_choices($form_id, $field_type = null, $exclude_field_types = null)
 {
     $fields = parent::get_field_map_choices($form_id, $field_type, $exclude_field_types);
     // Adding default fields
     $fields[] = array("value" => "geoip_country", "label" => __("Country (from Geo IP)", "gravityforms"));
     $fields[] = array("value" => "geoip_city", "label" => __("City (from Geo IP)", "gravityforms"));
     $fields[] = array("value" => "browser_name", "label" => __("Browser name", "gravityforms"));
     return $fields;
 }