downloadConversationAttachments - Download attachments of a conversation

<div class="extension-title">Description</div>

Downloads a ZIP archive of the requested attachments from a conversation. ZIP archive contains all matching attachments with the following structure :

├── <message_id_1>/
│   ├── <attachment_id_1>/
│   │   └── <filename1>
│   └── <attachment_id_2>/
│       └── <filename2>
└── <message_id_2>/
    └── <attachment_id_3>/
        └── <filename3>

The zip file will be named with the following pattern : <conversation_id>attachments<timestamp>.zip

Unknown or deleted attachments are silently skipped.

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