curl --request GET \
  --url https://{api_endpoint}/api/v1/assistants/custom/{assistant_id}/files \
  --header 'Authorization: Bearer <token>'

[
  {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "tenant_id": "<string>",
    "tenant_name": "<string>",
    "title": "<string>",
    "description": "<string>",
    "created_on": "2023-11-07T05:31:56Z",
    "created_by": "<string>",
    "created_by_username": "<string>",
    "updated_at": "2023-11-07T05:31:56Z",
    "tags": [
      "<string>"
    ],
    "name": "<string>",
    "meta": {},
    "source_uri": "<string>",
    "source_date": "2023-12-25",
    "source_name": "<string>",
    "source_title": "<string>",
    "text": "<string>",
    "collection_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "collection_name": "<string>",
    "content_type": "<string>"
  }
]