In Assistants, Is there a limit to File size and number of files?

API
5

This is complete JSON, Please tell me where to map the source??

{
  "object": "list",
  "data": [
    {
      "id": "msg_kcxZu24jUOFM7oaKDUrZoE3F",
      "object": "thread.message",
      "created_at": 1699344897,
      "thread_id": "thread_56MMYcyjt65vscMXKQTbVRuM",
      "role": "assistant",
      "content": [
        {
          "type": "text",
          "text": {
            "value": "This is a dummy data【22†source】",
            "annotations": []
          }
        }
      ],
      "file_ids": [],
      "assistant_id": "asst_uotRuEcbBCiqISum6BTjlODW",
      "run_id": "run_mbZDjfOGBxU53oQrfgwOVHpM",
      "metadata": {}
    },
    {
      "id": "msg_rwhXkijXxmoD9AgHaXnbC7nd",
      "object": "thread.message",
      "created_at": 1699344864,
      "thread_id": "thread_56MMXdyjt64vscMYKQTbVRuO",
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": {
            "value": "---This has been replaced---",
            "annotations": []
          }
        }
      ],
      "file_ids": [],
      "assistant_id": null,
      "run_id": null,
      "metadata": {}
    },
    {
      "id": "msg_ZU92qBkJqFXALDW7bLzGDHeM",
      "object": "thread.message",
      "created_at": 1699344764,
      "thread_id": "thread_56MMXcykt64vscMXKQTbVRuP",
      "role": "assistant",
      "content": [
        {
          "type": "text",
          "text": {
            "value": "---This has been replaced---",
            "annotations": []
          }
        }
      ],
      "file_ids": [],
      "assistant_id": "asst_totRuEcbBCiqISum6BTjlODZ",
      "run_id": "run_GucwBx4uh2AwBmI7lnK84oAb",
      "metadata": {}
    },
    {
      "id": "msg_S139O4rJ1h3hINyEGvT3T8L8",
      "object": "thread.message",
      "created_at": 1699344761,
      "thread_id": "thread_56MMXcyjt65vscMXKQVbVRuQ",
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": {
            "value": "---This has been replaced---",
            "annotations": []
          }
        }
      ],
      "file_ids": [],
      "assistant_id": null,
      "run_id": null,
      "metadata": {}
    }
  ],
  "first_id": "msg_kcxZu24jUOFM7oaKDUrZoE3F",
  "last_id": "msg_S139O4rJ1h3hINyEGvT3T8L8",
  "has_more": false
}