# Webhooks
## Documentation
The webhooks registered on the sites. An insert registers one; Webflow offers no change of a webhook, so it is removed and registered again.
- Catalog: `Webflow`
- Schema: `Sites`
- Primary Keys: `id`
- Retrieve: True
- Insert: True
- Update: False
- Delete: True
## Table Columns
The columns of the table `Webhooks` are shown below. Each column has an SQL data type. A new non-null value must be provided for every required column at all times during insert.
| Name | Data Type | Label | Required | Documentation |
|---|:---:|---|:---:|---|
| `created_on` | `datetime` | | ☐ | When the webhook was registered, UTC. |
| `filter_name` | `varchar2` | | ☐ | For form_submission only: the name of the form whose submissions are sent. |
| `id` | `varchar2` | | ☑ | The id of the webhook. |
| `last_triggered` | `datetime` | | ☐ | When the webhook was last sent, UTC. |
| `site_id` | `varchar2` | | ☑ | The site. |
| `trigger_type` | `varchar2` | | ☑ | The event, such as form_submission, site_publish, page_created or collection_item_changed. |
| `url` | `varchar2` | | ☑ | The address Webflow sends the event to. |
| `workspace_id` | `varchar2` | | ☐ | The workspace of the site. |
## Foreign Keys
The values of these columns refer to a row of another table.
| Columns | Referenced Table | Referenced Columns | Guarantee |
|---|---|---|---|
| `site_id` | [[Sites-Sites\|Sites.Sites]] | `id` | Declared by the connector, not enforced by the platform |