MetaDefender Core V4 v4.19.0 ... 8. MetaDefender Core Developer Guide 8.1. MetaDefender API 8.1.3. Processing files 8.1.3.2. Fetch processing result 8.1.3.2.1. Webhook mechanism 8.1.3.2.2. Polling mechanism 8.1.3.2.2.1. Archive file result (all child files in one response) 8.1.3.2.2.2. Archive file result (pagination fashion)