> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mx.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Categories

> Categories webhooks notify you when a category is created, updated, or deleted in the MX system for any user in the client.

The payload for this webhook includes an `action` field that specifies the associated value of `created`, `updated`, or `deleted`.

| Field | Data Type | Definition |
| :- | :- | :- |
| `created_at` | Integer | The date and time when the category was created. |
| `guid` | String | The unique identifier for the category. Defined by MX. |
| `is_default` | Boolean | Whether the category is a default category. |
| `is_income` | Boolean | Whether the category represents income. |
| `metadata` | String | Additional information a partner can store on the category. |
| `name` | String | The name of the category that is visible to the user. |
| `parent_guid` | String | The parent GUID of the category. |
| `revision` | Integer | The revision number for the category. |
| `updated_at` | Integer | The date and time when the category was updated. |
| `user_guid` | String | The unique identifier for the user the category is attached to. Defined by MX. |
| `user_id` | String | The unique partner-defined identifier for the user. |

**Example Payload**

```json JSON theme={null}
POST https://abc.com/admin/webhooks
HTTP/1.1
content-type: application/json; charset=utf-8
accept: application/json
User-Agent: HTTPClient/1.0 (2.7.1, ruby 2.2.2
(2015-09-02)) Date: Thu, 14 Apr 2016 04:26:04 GMT Content-Length: 231
Host: abc.com
{
  "action": "updated",
  "category": {
    "created_at": 1234567890,
    "guid": "CAT-123",
    "is_default": false,
    "is_income": true,
    "metadata": "metadata~set~by~partner",
    "name": "Coffee",
    "parent_guid": "CAT-bd56d35a-a9a7-6e10-66c1-5b9cc1b6c81a",
    "revision": 13,
    "updated_at": 123456890,
    "user_guid": "USR-dfb1b536-692d-f172-88c6-643a2691b30c",
    "user_id": "0128372140"
  }
}
```