class MyEvent extends \Sobit\Insights\AbstractEvent
{
    public function getEventType()
    {
        return 'SomeEvent';
    }
}

class MyEvent extends Sobit\Insights\AbstractEvent
{
    private $myAttribute;
    
    public function __construct($myAttribute)
    {
        $this->myAttribute = $myAttribute;
    }
    
    public function getEventType()
    {
        return 'SomeEvent';
    }
}

use Sobit\Insights\Client\Client;
use Sobit\Insights\EventManager;

// configuration values as per New Relic Insights
$accountId = 'YOUR ACCOUNT ID';
$insertKey = 'YOUR INSERT KEY';
$queryKey  = 'YOUR QUERY KEY';

// initialize core classes
$client       = new Client(new GuzzleHttp\Client(), $accountId, $insertKey, $queryKey);
$eventManager = new EventManager($client, JMS\Serializer\SerializerBuilder::create()->build());

// create your event
$event = new MyEvent('some attribute');

// submit event to Insights
$eventManager->persist($event);
$eventManager->flush();