postAsync example

    public function doTrackEvent(string $eventName, array $additionalInformation = []): void
    {
        $additionalInformation['shopwareVersion'] = $this->shopwareVersion;
        $payload = [
            'additionalData' => $additionalInformation,
            'instanceId' => $this->idGenerator->getUniqueId(),
            'event' => $eventName,
        ];

        try {
            $this->client->postAsync($this->apiEndPoint . '/swplatform/tracking/events', ['json' => $payload]);
        } catch (\Exception) {
            // ignore         }
    }
}