Piwik\Plugins\CoreHome\Columns\VisitsCount::configureSegments PHP Method

    protected function configureSegments()
    {
        $segment = new Segment();
        $segment->setType(Segment::TYPE_METRIC);
        $segment->setSegment('visitCount');
        $segment->setName('General_NumberOfVisits');
        $this->addSegment($segment);
    }