> ## Documentation Index
> Fetch the complete documentation index at: https://cobo-docs-feature-cobo-cli.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Webhook event types and data types

## Webhook event types

The available webhook event types are as follows:

<table border="1">
  <thead>
    <tr>
      <th>Event Type</th>
      <th>Event Data Type</th>
      <th>When It Occurs</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td><code>wallets.transaction.created</code></td>
      <td rowspan="4"><code>Transaction</code></td>
      <td>A transaction has been detected on the blockchain, generating a transaction record. This event does not indicate that the transaction was successful.</td>
    </tr>

    <tr>
      <td><code>wallets.transaction.updated</code></td>
      <td>There are changes to a transaction's status or confirmation numbers.<Note>The `wallets.transaction.updated` event covers the entire lifecycle of a transaction, including creation, completion, and failure. If you want to track every status change, you can subscribe to this event.</Note></td>
    </tr>

    <tr>
      <td><code>wallets.transaction.succeeded</code></td>
      <td>A transaction has been successfully completed.</td>
    </tr>

    <tr>
      <td><code>wallets.transaction.failed</code></td>
      <td>A transaction failed.</td>
    </tr>

    <tr>
      <td><code>wallets.mpc.tss\_request.created</code></td>
      <td rowspan="4"><code>TSSRequest</code></td>
      <td>A TSS request is created.</td>
    </tr>

    <tr>
      <td><code>wallets.mpc.tss\_request.updated</code></td>
      <td>There are changes to the status of a TSS request.</td>
    </tr>

    <tr>
      <td><code>wallets.mpc.tss\_request.succeeded</code></td>
      <td>The requested action has been successfully completed.</td>
    </tr>

    <tr>
      <td><code>wallets.mpc.tss\_request.failed</code></td>
      <td>The requested action failed.</td>
    </tr>
  </tbody>
</table>

## Data structure of webhook events

For a complete introduction of the webhook event data and its data structure, refer to the `data.data` property in the response of the [List all webhook events](/v2/api-references/developers--webhooks/list-all-webhook-events) operation.
![Screenshot of the webhook data stucture](https://mintlify.s3-us-west-1.amazonaws.com/cobo-docs-feature-cobo-cli/v2/images/guides/webhook_data_structure.png)
Additionally, you can view all webhook events in your organization on **Cobo Portal** > **Developer**> **Webhook Events**.