public function process()
 {
     $dynamoSession = DynamoDbSession::get();
     if ($dynamoSession) {
         $dynamoSession->collect();
         $this->output('DynamoDB session garbage collection finished');
     } else {
         $this->output('DynamoDB session not enabled. Skipping');
     }
 }
<?php

$dynamoSession = DynamoDbSession::get();
if ($dynamoSession) {
    $dynamoSession->register();
}