# Capability

Capabilities the device surface supports at the time of the request.

| Enums ||
|---|---|
| `UNSPECIFIED` | Unspecified surface capability. |
| `SPEECH` | Device can speak to the user via text-to-speech or SSML. |
| `RICH_RESPONSE` | Device can display rich responses like cards, lists and tables. |
| `LONG_FORM_AUDIO` | Device can play long form audio media like music and podcasts. |
| `INTERACTIVE_CANVAS` | Device can display a interactive canvas response. |
| `WEB_LINK` | Device can use web links in rich responses to open a web browser. |
| `HOME_STORAGE` | Device can support saving and fetching home storage. |