## Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://dev.writer.com/llms.txt)

Use this file to discover all available pages before exploring further.

A component to embed an external resource in an iframe.

## Fields

| Name                  | Type  | Description                                                           | Options                                                                                                        |
|-----------------------|-------|-----------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------|
| Source                | Text  | A valid URL                                                          | -                                                                                                              |
| Referrer Policy       | Text  | Define which referrer is sent when fetching the resource             | 1. no-referrer<br>2. no-referrer-when-downgrade<br>3. origin<br>4. origin-when-cross-origin<br>5. same-origin<br>6. strict-origin<br>7. strict-origin-when-cross-origin<br>8. unsafe-url |
| Separator             | Color | -                                                                     | -                                                                                                              |
| Custom CSS classes     | Text  | CSS classes, separated by spaces. You can define classes in custom stylesheets. | -                                                                                                              |

## Events

wf-load

Fires when the resource has successfully loaded.

```python
def load_handler(state):

# Sets status message when resource is loaded
    state["status"] = "Page loaded"
```