/**
* Get engagement counts by time unit
*
* @param Lead $lead
* @param \DateTime|null $dateFrom
* @param \DateTime|null $dateTo
* @param string $unit Y, m, d, etc
*
* @return array|int
*/
public function getEngagementCount(Lead $lead, \DateTime $dateFrom = null, \DateTime $dateTo = null, $unit = 'm', ChartQuery $chartQuery = null)
{
$event = new LeadTimelineEvent($lead);
$event->setCountOnly($dateFrom, $dateTo, $unit, $chartQuery);
$this->dispatcher->dispatch(LeadEvents::TIMELINE_ON_GENERATE, $event);
return $event->getEventCounter();
}
