// src/actions/types/properties/new.php - Create Token for Timeline Event Template
$request = new \HubSpot\Client\Crm\Timeline\Model\TimelineEventTemplateToken();
$request->setName('name');
$request->setLabel('Label');
$request->setType('string');

$hubSpot->crm()->timeline()->tokensApi()
    ->create(
        'Event Template ID',
        'HubSpot Application ID',
        $request
    );

Name