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

# Messages

> PostMessage API for embedded sections

From inside the iframe (on the page you've provided), you can pass certain messages to the parent frame to trigger actions.

## Supported Events

### Resize

Dynamically resize the iframe height:

```json theme={null}
{
  "type": "resize",
  "height": 100
}
```

### Close

Close or hide the embedded section:

```json theme={null}
{
  "type": "close"
}
```