A prominent banner displaying a message, often with an icon and an
| Surface | Note |
|---|---|
| googlechat | Renders as a basic card with text and button; no custom icons, complex layouts, or animations. |
| Field | Type | |
|---|---|---|
| message | string The main message to display in the banner. | required |
| type | string The type of alert (e.g., "info", "warning", "error", "success"). | required |
| icon | string Optional icon name to display next to the message. | optional |
| action_label | string Optional text for an action button. | optional |
| action_url | string Optional URL for the action button. | optional |
{
"type": "info",
"message": "Your action was completed successfully."
}
{
"identifier": "urn:air:a2uicatalog.ai:atom:alert_banner",
"displayName": "Alert Banner",
"type": "application/vnd.a2ui.atom+json",
"url": "https://a2uicatalog.ai/atoms/alert_banner",
"capabilities": [
"web",
"meet-stage",
"apps-script-web"
],
"description": "A prominent banner displaying a message, often with an icon and an",
"representativeQueries": [
"show a full-width status alert strip optional action",
"a prominent banner displaying a message, often with an icon and an",
"render a alert banner"
]
}
The renderer is open source. Deploy your own instance in 4 commands — you own the URL, no dependency on the demo endpoint.
git clone https://github.com/a2uicatalog/a2ui
cd apps-script-surface/gas-schema-renderer
clasp push && clasp deploy
Full deploy guide →