Piwik\Plugins\UserCountry\Columns\Country::configureSegments PHP Method

    protected function configureSegments()
    {
        $segment = new Segment();
        $segment->setSegment('countryCode');
        $segment->setName('UserCountry_Country');
        $segment->setAcceptedValues('de, us, fr, in, es, etc.');
        $this->addSegment($segment);
        $segment = new Segment();
        $segment->setSegment('continentCode');
        $segment->setName('UserCountry_Continent');
        $segment->setSqlFilter('Piwik\\Plugins\\UserCountry\\UserCountry::getCountriesForContinent');
        $segment->setAcceptedValues('eur, asi, amc, amn, ams, afr, ant, oce');
        $this->addSegment($segment);
    }