A sheet action opens the link you give within the Messenger as an embedded iframe.
More on how Sheets work is in our Canvas Kit documentation.
| Parameters | Possible Values | Required | Description |
|---|---|---|---|
| type | sheet | Yes | The type of action you are attaching to a component. |
| url | A valid HTTPS URL | Yes | The link which hosts your sheet. |
action: {
type: "sheet",
url: "https://example.com"
}