import Morphik from 'morphik';

const client = new Morphik({
  apiKey: 'My API Key',
});

const document = await client.documents.retrieve('document_id');

console.log(document.app_id);

{
  "external_id": "<string>",
  "content_type": "<string>",
  "filename": "<string>",
  "metadata": {},
  "metadata_types": {},
  "storage_info": {},
  "storage_files": [
    {
      "bucket": "<string>",
      "key": "<string>",
      "version": 1,
      "filename": "<string>",
      "content_type": "<string>",
      "timestamp": "2023-11-07T05:31:56Z"
    }
  ],
  "system_metadata": {},
  "additional_metadata": {},
  "chunk_ids": [
    "<string>"
  ],
  "folder_name": "<string>",
  "end_user_id": "<string>",
  "app_id": "<string>"
}