> For the complete documentation index, see [llms.txt](https://docs.crypitor.com/crypitor-service/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.crypitor.com/crypitor-service/how-to-use/native-transfer-event.md).

# Native Transfer Event

When a native transfer event occurs, Crypitor sends a JSON payload to your webhook endpoint. Below is an example of such a payload and an explanation of its structure:

**Example Payload:**

```json
{
  "chain": "Avalanche",
  "monitorId": "mo_zzn4ntlNbuyEs18d",
  "hash": "0xd7af0b3df64283d569645d2f19f210c05af17bc56161c3e78fd2748a9615b4f3",
  "blockNum": 45835989,
  "fromAddress": "0xbbf9a038fa904895f0fd907337dec1f156effab2",
  "toAddress": "0xbbf9a038fa904895f0fd907337dec1f156effab2",
  "nativeAmount": "123000000000000000",
  "type": "in",
  "confirm": false,
  "category": "Native",
  "dateCreated": "2024-05-24T09:41:52.193Z",
  "txnIndex": 1,
  "associatedAddress": "0xbbf9a038fa904895f0fd907337dec1f156effab2",
  "eventId": "70ee1f489c9746549dd35af289ba86e7",
  "tags": []
}
```

#### Data Explanation

* **chain:** The blockchain network where the event occurred (e.g., Avalanche)
* **monitorId:** Unique identifier for the monitor that captured the event.
* **hash:** Transaction hash associated with the event.
* **blockNumber:** Block number in which the transaction was included.
* **fromAddress:** Address from which the native cryptocurrency was sent.
* **toAddress:** Address to which the native cryptocurrency was sent.
* **nativeAmount:** Amount of native cryptocurrency transferred (in the smallest unit, e.g., wei for ETH).
* **type:** Transaction type (e.g., "in" for incoming).
* **confirm:** Boolean indicating whether the transaction is confirmed.
* **category:** Type of transfer (e.g., Native for native cryptocurrency).
* **dateCreated:** Timestamp of when the event was detected.
* **txnIndex:** Position of the transaction in the block.
* **associatedAddress:** Wallet address associated with the event.
* **eventId:** Unique identifier for the event.
* **tags:** Tags associated with the monitor (if any).